289311100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 771981840

約数和(自身を除く): 482670740

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 25, 26, 34, 38, 50, 52, 53, 65, 68, 76, 85, 95, 100, 106, 130, 169, 170, 190, 212, 221, 247, 260, 265, 323, 325, 338, 340, 380, 425, 442, 475, 494, 530, 646, 650, 676, 689, 845, 850, 884, 901, 950, 988, 1007, 1060, 1105, 1235, 1292, 1300, 1325, 1378, 1615, 1690, 1700, 1802, 1900, 2014, 2210, 2470, 2650, 2756, 2873, 3211, 3230, 3380, 3445, 3604, 4028, 4199, 4225, 4420, 4505, 4940, 5035, 5300, 5525, 5746, 6175, 6422, 6460, 6890, 8075, 8398, 8450, 8957, 9010, 10070, 11050, 11492, 11713, 12350, 12844, 13091, 13780, 14365, 16055, 16150, 16796, 16900, 17119, 17225, 17914, 18020, 20140, 20995, 22100, 22525, 23426, 24700, 25175, 26182, 28730, 32110, 32300, 34238, 34450, 35828, 41990, 44785, 45050, 46852, 50350, 52364, 54587, 57460, 58565, 64220, 65455, 68476, 68900, 71825, 80275, 83980, 85595, 89570, 90100, 100700, 104975, 109174, 117130, 130910, 143650, 152269, 160550, 170183, 171190, 179140, 209950, 218348, 222547, 223925, 234260, 261820, 272935, 287300, 292825, 304538, 321100, 327275, 340366, 342380, 419900, 427975, 445094, 447850, 545870, 585650, 609076, 654550, 680732, 761345, 850915, 855950, 890188, 895700, 1091740, 1112735, 1171300, 1309100, 1364675, 1522690, 1701830, 1711900, 2225470, 2729350, 2893111, 3045380, 3403660, 3806725, 4254575, 4450940, 5458700, 5563675, 5786222, 7613450, 8509150, 11127350, 11572444, 14465555, 15226900, 17018300, 22254700, 28931110, 57862220, 72327775, 144655550, 289311100]

約数ペア:

[(1, 289311100), (2, 144655550), (4, 72327775), (5, 57862220), (10, 28931110), (13, 22254700), (17, 17018300), (19, 15226900), (20, 14465555), (25, 11572444), (26, 11127350), (34, 8509150), (38, 7613450), (50, 5786222), (52, 5563675), (53, 5458700), (65, 4450940), (68, 4254575), (76, 3806725), (85, 3403660), (95, 3045380), (100, 2893111), (106, 2729350), (130, 2225470), (169, 1711900), (170, 1701830), (190, 1522690), (212, 1364675), (221, 1309100), (247, 1171300), (260, 1112735), (265, 1091740), (323, 895700), (325, 890188), (338, 855950), (340, 850915), (380, 761345), (425, 680732), (442, 654550), (475, 609076), (494, 585650), (530, 545870), (646, 447850), (650, 445094), (676, 427975), (689, 419900), (845, 342380), (850, 340366), (884, 327275), (901, 321100), (950, 304538), (988, 292825), (1007, 287300), (1060, 272935), (1105, 261820), (1235, 234260), (1292, 223925), (1300, 222547), (1325, 218348), (1378, 209950), (1615, 179140), (1690, 171190), (1700, 170183), (1802, 160550), (1900, 152269), (2014, 143650), (2210, 130910), (2470, 117130), (2650, 109174), (2756, 104975), (2873, 100700), (3211, 90100), (3230, 89570), (3380, 85595), (3445, 83980), (3604, 80275), (4028, 71825), (4199, 68900), (4225, 68476), (4420, 65455), (4505, 64220), (4940, 58565), (5035, 57460), (5300, 54587), (5525, 52364), (5746, 50350), (6175, 46852), (6422, 45050), (6460, 44785), (6890, 41990), (8075, 35828), (8398, 34450), (8450, 34238), (8957, 32300), (9010, 32110), (10070, 28730), (11050, 26182), (11492, 25175), (11713, 24700), (12350, 23426), (12844, 22525), (13091, 22100), (13780, 20995), (14365, 20140), (16055, 18020), (16150, 17914), (16796, 17225), (16900, 17119)]