178498492780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1\times {\mathrm{2339}}^1$

素因数の和:3331

約数の個数: 96

約数和(自身を含む): 398776996800

約数和(自身を除く): 220278504020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 577, 778, 1154, 1556, 1945, 2308, 2339, 2885, 3890, 4678, 5770, 6613, 7780, 9356, 9809, 11540, 11695, 13226, 19618, 23390, 26452, 33065, 39236, 39763, 46780, 49045, 66130, 79526, 98090, 132260, 159052, 196180, 198815, 224453, 397630, 448906, 795260, 897812, 909871, 1122265, 1349603, 1819742, 2244530, 2699206, 3639484, 3815701, 4489060, 4549355, 5398412, 6748015, 7631402, 9098710, 13496030, 15262804, 15467807, 18197420, 19078505, 22943251, 26992060, 30935614, 38157010, 45886502, 61871228, 76314020, 77339035, 91773004, 114716255, 154678070, 229432510, 309356140, 458865020, 524995567, 1049991134, 2099982268, 2624977835, 5249955670, 8924924639, 10499911340, 17849849278, 35699698556, 44624623195, 89249246390, 178498492780]

約数ペア:

[(1, 178498492780), (2, 89249246390), (4, 44624623195), (5, 35699698556), (10, 17849849278), (17, 10499911340), (20, 8924924639), (34, 5249955670), (68, 2624977835), (85, 2099982268), (170, 1049991134), (340, 524995567), (389, 458865020), (577, 309356140), (778, 229432510), (1154, 154678070), (1556, 114716255), (1945, 91773004), (2308, 77339035), (2339, 76314020), (2885, 61871228), (3890, 45886502), (4678, 38157010), (5770, 30935614), (6613, 26992060), (7780, 22943251), (9356, 19078505), (9809, 18197420), (11540, 15467807), (11695, 15262804), (13226, 13496030), (19618, 9098710), (23390, 7631402), (26452, 6748015), (33065, 5398412), (39236, 4549355), (39763, 4489060), (46780, 3815701), (49045, 3639484), (66130, 2699206), (79526, 2244530), (98090, 1819742), (132260, 1349603), (159052, 1122265), (196180, 909871), (198815, 897812), (224453, 795260), (397630, 448906)]