156887900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 402474240

約数和(自身を除く): 245586340

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 31, 34, 50, 52, 62, 65, 68, 85, 100, 124, 130, 155, 170, 221, 229, 260, 310, 325, 340, 403, 425, 442, 458, 527, 620, 650, 775, 806, 850, 884, 916, 1054, 1105, 1145, 1300, 1550, 1612, 1700, 2015, 2108, 2210, 2290, 2635, 2977, 3100, 3893, 4030, 4420, 4580, 5270, 5525, 5725, 5954, 6851, 7099, 7786, 8060, 10075, 10540, 11050, 11450, 11908, 13175, 13702, 14198, 14885, 15572, 19465, 20150, 22100, 22900, 26350, 27404, 28396, 29770, 34255, 35495, 38930, 40300, 50609, 52700, 59540, 68510, 70990, 74425, 77860, 92287, 97325, 101218, 120683, 137020, 141980, 148850, 171275, 177475, 184574, 194650, 202436, 241366, 253045, 297700, 342550, 354950, 369148, 389300, 461435, 482732, 506090, 603415, 685100, 709900, 922870, 1012180, 1206830, 1265225, 1568879, 1845740, 2307175, 2413660, 2530450, 3017075, 3137758, 4614350, 5060900, 6034150, 6275516, 7844395, 9228700, 12068300, 15688790, 31377580, 39221975, 78443950, 156887900]

約数ペア:

[(1, 156887900), (2, 78443950), (4, 39221975), (5, 31377580), (10, 15688790), (13, 12068300), (17, 9228700), (20, 7844395), (25, 6275516), (26, 6034150), (31, 5060900), (34, 4614350), (50, 3137758), (52, 3017075), (62, 2530450), (65, 2413660), (68, 2307175), (85, 1845740), (100, 1568879), (124, 1265225), (130, 1206830), (155, 1012180), (170, 922870), (221, 709900), (229, 685100), (260, 603415), (310, 506090), (325, 482732), (340, 461435), (403, 389300), (425, 369148), (442, 354950), (458, 342550), (527, 297700), (620, 253045), (650, 241366), (775, 202436), (806, 194650), (850, 184574), (884, 177475), (916, 171275), (1054, 148850), (1105, 141980), (1145, 137020), (1300, 120683), (1550, 101218), (1612, 97325), (1700, 92287), (2015, 77860), (2108, 74425), (2210, 70990), (2290, 68510), (2635, 59540), (2977, 52700), (3100, 50609), (3893, 40300), (4030, 38930), (4420, 35495), (4580, 34255), (5270, 29770), (5525, 28396), (5725, 27404), (5954, 26350), (6851, 22900), (7099, 22100), (7786, 20150), (8060, 19465), (10075, 15572), (10540, 14885), (11050, 14198), (11450, 13702), (11908, 13175)]