91839990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 251942400

約数和(自身を除く): 160102410

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 53, 55, 59, 66, 89, 106, 110, 118, 159, 165, 177, 178, 265, 267, 295, 318, 330, 354, 445, 530, 534, 583, 590, 649, 795, 885, 890, 979, 1166, 1298, 1335, 1590, 1749, 1770, 1947, 1958, 2670, 2915, 2937, 3127, 3245, 3498, 3894, 4717, 4895, 5251, 5830, 5874, 6254, 6490, 8745, 9381, 9434, 9735, 9790, 10502, 14151, 14685, 15635, 15753, 17490, 18762, 19470, 23585, 26255, 28302, 29370, 31270, 31506, 34397, 46905, 47170, 51887, 52510, 57761, 68794, 70755, 78765, 93810, 103191, 103774, 115522, 141510, 155661, 157530, 171985, 173283, 206382, 259435, 278303, 288805, 311322, 343970, 346566, 515955, 518870, 556606, 577610, 778305, 834909, 866415, 1031910, 1391515, 1556610, 1669818, 1732830, 2783030, 3061333, 4174545, 6122666, 8349090, 9183999, 15306665, 18367998, 30613330, 45919995, 91839990]

約数ペア:

[(1, 91839990), (2, 45919995), (3, 30613330), (5, 18367998), (6, 15306665), (10, 9183999), (11, 8349090), (15, 6122666), (22, 4174545), (30, 3061333), (33, 2783030), (53, 1732830), (55, 1669818), (59, 1556610), (66, 1391515), (89, 1031910), (106, 866415), (110, 834909), (118, 778305), (159, 577610), (165, 556606), (177, 518870), (178, 515955), (265, 346566), (267, 343970), (295, 311322), (318, 288805), (330, 278303), (354, 259435), (445, 206382), (530, 173283), (534, 171985), (583, 157530), (590, 155661), (649, 141510), (795, 115522), (885, 103774), (890, 103191), (979, 93810), (1166, 78765), (1298, 70755), (1335, 68794), (1590, 57761), (1749, 52510), (1770, 51887), (1947, 47170), (1958, 46905), (2670, 34397), (2915, 31506), (2937, 31270), (3127, 29370), (3245, 28302), (3498, 26255), (3894, 23585), (4717, 19470), (4895, 18762), (5251, 17490), (5830, 15753), (5874, 15635), (6254, 14685), (6490, 14151), (8745, 10502), (9381, 9790), (9434, 9735)]