399749220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:831

約数の個数: 216

約数和(自身を含む): 1392057576

約数和(自身を除く): 992308356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 169, 170, 180, 195, 204, 221, 234, 255, 260, 306, 338, 340, 390, 442, 468, 507, 510, 585, 612, 663, 676, 765, 773, 780, 845, 884, 1014, 1020, 1105, 1170, 1326, 1521, 1530, 1546, 1690, 1989, 2028, 2210, 2319, 2340, 2535, 2652, 2873, 3042, 3060, 3092, 3315, 3380, 3865, 3978, 4420, 4638, 5070, 5746, 6084, 6630, 6957, 7605, 7730, 7956, 8619, 9276, 9945, 10049, 10140, 11492, 11595, 13141, 13260, 13914, 14365, 15210, 15460, 17238, 19890, 20098, 23190, 25857, 26282, 27828, 28730, 30147, 30420, 34476, 34785, 39423, 39780, 40196, 43095, 46380, 50245, 51714, 52564, 57460, 60294, 65705, 69570, 78846, 86190, 90441, 100490, 103428, 118269, 120588, 129285, 130637, 131410, 139140, 150735, 157692, 170833, 172380, 180882, 197115, 200980, 236538, 258570, 261274, 262820, 301470, 341666, 361764, 391911, 394230, 452205, 473076, 512499, 517140, 522548, 591345, 602940, 653185, 683332, 783822, 788460, 854165, 904410, 1024998, 1175733, 1182690, 1306370, 1537497, 1567644, 1708330, 1808820, 1959555, 2049996, 2220829, 2351466, 2365380, 2562495, 2612740, 3074994, 3416660, 3919110, 4441658, 4702932, 5124990, 5878665, 6149988, 6662487, 7687485, 7838220, 8883316, 10249980, 11104145, 11757330, 13324974, 15374970, 19987461, 22208290, 23514660, 26649948, 30749940, 33312435, 39974922, 44416580, 66624870, 79949844, 99937305, 133249740, 199874610, 399749220]

約数ペア:

[(1, 399749220), (2, 199874610), (3, 133249740), (4, 99937305), (5, 79949844), (6, 66624870), (9, 44416580), (10, 39974922), (12, 33312435), (13, 30749940), (15, 26649948), (17, 23514660), (18, 22208290), (20, 19987461), (26, 15374970), (30, 13324974), (34, 11757330), (36, 11104145), (39, 10249980), (45, 8883316), (51, 7838220), (52, 7687485), (60, 6662487), (65, 6149988), (68, 5878665), (78, 5124990), (85, 4702932), (90, 4441658), (102, 3919110), (117, 3416660), (130, 3074994), (153, 2612740), (156, 2562495), (169, 2365380), (170, 2351466), (180, 2220829), (195, 2049996), (204, 1959555), (221, 1808820), (234, 1708330), (255, 1567644), (260, 1537497), (306, 1306370), (338, 1182690), (340, 1175733), (390, 1024998), (442, 904410), (468, 854165), (507, 788460), (510, 783822), (585, 683332), (612, 653185), (663, 602940), (676, 591345), (765, 522548), (773, 517140), (780, 512499), (845, 473076), (884, 452205), (1014, 394230), (1020, 391911), (1105, 361764), (1170, 341666), (1326, 301470), (1521, 262820), (1530, 261274), (1546, 258570), (1690, 236538), (1989, 200980), (2028, 197115), (2210, 180882), (2319, 172380), (2340, 170833), (2535, 157692), (2652, 150735), (2873, 139140), (3042, 131410), (3060, 130637), (3092, 129285), (3315, 120588), (3380, 118269), (3865, 103428), (3978, 100490), (4420, 90441), (4638, 86190), (5070, 78846), (5746, 69570), (6084, 65705), (6630, 60294), (6957, 57460), (7605, 52564), (7730, 51714), (7956, 50245), (8619, 46380), (9276, 43095), (9945, 40196), (10049, 39780), (10140, 39423), (11492, 34785), (11595, 34476), (13141, 30420), (13260, 30147), (13914, 28730), (14365, 27828), (15210, 26282), (15460, 25857), (17238, 23190), (19890, 20098)]