156638784020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1\times {\mathrm{1531}}^1$

素因数の和:2409

約数の個数: 96

約数和(自身を含む): 342129916800

約数和(自身を除く): 185491132780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 419, 421, 580, 838, 842, 1531, 1676, 1684, 2095, 2105, 3062, 4190, 4210, 6124, 7655, 8380, 8420, 12151, 12209, 15310, 24302, 24418, 30620, 44399, 48604, 48836, 60755, 61045, 88798, 121510, 122090, 176399, 177596, 221995, 243020, 244180, 352798, 443990, 641489, 644551, 705596, 881995, 887980, 1282978, 1289102, 1763990, 2565956, 2578204, 3207445, 3222755, 3527980, 5115571, 6414890, 6445510, 10231142, 12829780, 12891020, 18603181, 18691979, 20462284, 25577855, 37206362, 37383958, 51155710, 74412724, 74767916, 93015905, 93459895, 102311420, 186031810, 186919790, 270066869, 372063620, 373839580, 540133738, 1080267476, 1350334345, 2700668690, 5401337380, 7831939201, 15663878402, 31327756804, 39159696005, 78319392010, 156638784020]

約数ペア:

[(1, 156638784020), (2, 78319392010), (4, 39159696005), (5, 31327756804), (10, 15663878402), (20, 7831939201), (29, 5401337380), (58, 2700668690), (116, 1350334345), (145, 1080267476), (290, 540133738), (419, 373839580), (421, 372063620), (580, 270066869), (838, 186919790), (842, 186031810), (1531, 102311420), (1676, 93459895), (1684, 93015905), (2095, 74767916), (2105, 74412724), (3062, 51155710), (4190, 37383958), (4210, 37206362), (6124, 25577855), (7655, 20462284), (8380, 18691979), (8420, 18603181), (12151, 12891020), (12209, 12829780), (15310, 10231142), (24302, 6445510), (24418, 6414890), (30620, 5115571), (44399, 3527980), (48604, 3222755), (48836, 3207445), (60755, 2578204), (61045, 2565956), (88798, 1763990), (121510, 1289102), (122090, 1282978), (176399, 887980), (177596, 881995), (221995, 705596), (243020, 644551), (244180, 641489), (352798, 443990)]