439971220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 1151539200

約数和(自身を除く): 711567980

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 31, 34, 38, 52, 62, 65, 68, 76, 85, 95, 124, 130, 155, 169, 170, 190, 221, 247, 260, 310, 323, 338, 340, 380, 403, 442, 494, 527, 589, 620, 646, 676, 806, 845, 884, 988, 1054, 1105, 1178, 1235, 1292, 1612, 1615, 1690, 2015, 2108, 2197, 2210, 2356, 2470, 2635, 2873, 2945, 3211, 3230, 3380, 4030, 4199, 4394, 4420, 4940, 5239, 5270, 5746, 5890, 6422, 6460, 6851, 7657, 8060, 8398, 8788, 10013, 10478, 10540, 10985, 11492, 11780, 12844, 13702, 14365, 15314, 16055, 16796, 20026, 20956, 20995, 21970, 26195, 27404, 28730, 30628, 32110, 34255, 37349, 38285, 40052, 41743, 41990, 43940, 50065, 52390, 54587, 57460, 64220, 68107, 68510, 74698, 76570, 83486, 83980, 89063, 99541, 100130, 104780, 109174, 130169, 136214, 137020, 149396, 153140, 166972, 178126, 186745, 199082, 200260, 208715, 218348, 260338, 272428, 272935, 340535, 356252, 373490, 398164, 417430, 445315, 497705, 520676, 545870, 650845, 681070, 709631, 746980, 834860, 890630, 995410, 1091740, 1157819, 1294033, 1301690, 1362140, 1419262, 1692197, 1781260, 1990820, 2315638, 2588066, 2603380, 2838524, 3384394, 3548155, 4631276, 5176132, 5789095, 6470165, 6768788, 7096310, 8460985, 11578190, 12940330, 14192620, 16921970, 21998561, 23156380, 25880660, 33843940, 43997122, 87994244, 109992805, 219985610, 439971220]

約数ペア:

[(1, 439971220), (2, 219985610), (4, 109992805), (5, 87994244), (10, 43997122), (13, 33843940), (17, 25880660), (19, 23156380), (20, 21998561), (26, 16921970), (31, 14192620), (34, 12940330), (38, 11578190), (52, 8460985), (62, 7096310), (65, 6768788), (68, 6470165), (76, 5789095), (85, 5176132), (95, 4631276), (124, 3548155), (130, 3384394), (155, 2838524), (169, 2603380), (170, 2588066), (190, 2315638), (221, 1990820), (247, 1781260), (260, 1692197), (310, 1419262), (323, 1362140), (338, 1301690), (340, 1294033), (380, 1157819), (403, 1091740), (442, 995410), (494, 890630), (527, 834860), (589, 746980), (620, 709631), (646, 681070), (676, 650845), (806, 545870), (845, 520676), (884, 497705), (988, 445315), (1054, 417430), (1105, 398164), (1178, 373490), (1235, 356252), (1292, 340535), (1612, 272935), (1615, 272428), (1690, 260338), (2015, 218348), (2108, 208715), (2197, 200260), (2210, 199082), (2356, 186745), (2470, 178126), (2635, 166972), (2873, 153140), (2945, 149396), (3211, 137020), (3230, 136214), (3380, 130169), (4030, 109174), (4199, 104780), (4394, 100130), (4420, 99541), (4940, 89063), (5239, 83980), (5270, 83486), (5746, 76570), (5890, 74698), (6422, 68510), (6460, 68107), (6851, 64220), (7657, 57460), (8060, 54587), (8398, 52390), (8788, 50065), (10013, 43940), (10478, 41990), (10540, 41743), (10985, 40052), (11492, 38285), (11780, 37349), (12844, 34255), (13702, 32110), (14365, 30628), (15314, 28730), (16055, 27404), (16796, 26195), (20026, 21970), (20956, 20995)]