128517620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4909}}^1$

素因数の和:4953

約数の個数: 96

約数和(自身を含む): 356348160

約数和(自身を除く): 227830540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1309, 1540, 1870, 2380, 2618, 3740, 4909, 5236, 6545, 9818, 13090, 19636, 24545, 26180, 34363, 49090, 53999, 68726, 83453, 98180, 107998, 137452, 166906, 171815, 215996, 269995, 333812, 343630, 377993, 417265, 539990, 584171, 687260, 755986, 834530, 917983, 1079980, 1168342, 1511972, 1669060, 1835966, 1889965, 2336684, 2920855, 3671932, 3779930, 4589915, 5841710, 6425881, 7559860, 9179830, 11683420, 12851762, 18359660, 25703524, 32129405, 64258810, 128517620]

約数ペア:

[(1, 128517620), (2, 64258810), (4, 32129405), (5, 25703524), (7, 18359660), (10, 12851762), (11, 11683420), (14, 9179830), (17, 7559860), (20, 6425881), (22, 5841710), (28, 4589915), (34, 3779930), (35, 3671932), (44, 2920855), (55, 2336684), (68, 1889965), (70, 1835966), (77, 1669060), (85, 1511972), (110, 1168342), (119, 1079980), (140, 917983), (154, 834530), (170, 755986), (187, 687260), (220, 584171), (238, 539990), (308, 417265), (340, 377993), (374, 343630), (385, 333812), (476, 269995), (595, 215996), (748, 171815), (770, 166906), (935, 137452), (1190, 107998), (1309, 98180), (1540, 83453), (1870, 68726), (2380, 53999), (2618, 49090), (3740, 34363), (4909, 26180), (5236, 24545), (6545, 19636), (9818, 13090)]