245904540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{83641}}^1$

素因数の和:83667

約数の個数: 72

約数和(自身を含む): 800955792

約数和(自身を除く): 555051252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 83641, 167282, 250923, 334564, 418205, 501846, 585487, 836410, 1003692, 1170974, 1254615, 1672820, 1756461, 2341948, 2509230, 2927435, 3512922, 4098409, 5018460, 5854870, 7025844, 8196818, 8782305, 11709740, 12295227, 16393636, 17564610, 20492045, 24590454, 35129220, 40984090, 49180908, 61476135, 81968180, 122952270, 245904540]

約数ペア:

[(1, 245904540), (2, 122952270), (3, 81968180), (4, 61476135), (5, 49180908), (6, 40984090), (7, 35129220), (10, 24590454), (12, 20492045), (14, 17564610), (15, 16393636), (20, 12295227), (21, 11709740), (28, 8782305), (30, 8196818), (35, 7025844), (42, 5854870), (49, 5018460), (60, 4098409), (70, 3512922), (84, 2927435), (98, 2509230), (105, 2341948), (140, 1756461), (147, 1672820), (196, 1254615), (210, 1170974), (245, 1003692), (294, 836410), (420, 585487), (490, 501846), (588, 418205), (735, 334564), (980, 250923), (1470, 167282), (2940, 83641)]