261640204

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 556174080

約数和(自身を除く): 294533876

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 191, 196, 203, 241, 382, 406, 482, 764, 812, 964, 1337, 1421, 1687, 2674, 2842, 3374, 5348, 5539, 5684, 6748, 6989, 9359, 11078, 11809, 13978, 18718, 22156, 23618, 27956, 37436, 38773, 46031, 47236, 48923, 77546, 92062, 97846, 155092, 184124, 195692, 271411, 322217, 342461, 542822, 644434, 684922, 1085644, 1288868, 1334899, 1369844, 2255519, 2669798, 4511038, 5339596, 9022076, 9344293, 18688586, 37377172, 65410051, 130820102, 261640204]

約数ペア:

[(1, 261640204), (2, 130820102), (4, 65410051), (7, 37377172), (14, 18688586), (28, 9344293), (29, 9022076), (49, 5339596), (58, 4511038), (98, 2669798), (116, 2255519), (191, 1369844), (196, 1334899), (203, 1288868), (241, 1085644), (382, 684922), (406, 644434), (482, 542822), (764, 342461), (812, 322217), (964, 271411), (1337, 195692), (1421, 184124), (1687, 155092), (2674, 97846), (2842, 92062), (3374, 77546), (5348, 48923), (5539, 47236), (5684, 46031), (6748, 38773), (6989, 37436), (9359, 27956), (11078, 23618), (11809, 22156), (13978, 18718)]