245533420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 583220736

約数和(自身を除く): 337687316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 163, 164, 167, 205, 220, 326, 334, 410, 451, 652, 668, 815, 820, 835, 902, 1630, 1670, 1793, 1804, 1837, 2255, 3260, 3340, 3586, 3674, 4510, 6683, 6847, 7172, 7348, 8965, 9020, 9185, 13366, 13694, 17930, 18370, 26732, 27221, 27388, 33415, 34235, 35860, 36740, 54442, 66830, 68470, 73513, 75317, 108884, 133660, 136105, 136940, 147026, 150634, 272210, 294052, 299431, 301268, 367565, 376585, 544420, 598862, 735130, 753170, 1116061, 1197724, 1470260, 1497155, 1506340, 2232122, 2994310, 4464244, 5580305, 5988620, 11160610, 12276671, 22321220, 24553342, 49106684, 61383355, 122766710, 245533420]

約数ペア:

[(1, 245533420), (2, 122766710), (4, 61383355), (5, 49106684), (10, 24553342), (11, 22321220), (20, 12276671), (22, 11160610), (41, 5988620), (44, 5580305), (55, 4464244), (82, 2994310), (110, 2232122), (163, 1506340), (164, 1497155), (167, 1470260), (205, 1197724), (220, 1116061), (326, 753170), (334, 735130), (410, 598862), (451, 544420), (652, 376585), (668, 367565), (815, 301268), (820, 299431), (835, 294052), (902, 272210), (1630, 150634), (1670, 147026), (1793, 136940), (1804, 136105), (1837, 133660), (2255, 108884), (3260, 75317), (3340, 73513), (3586, 68470), (3674, 66830), (4510, 54442), (6683, 36740), (6847, 35860), (7172, 34235), (7348, 33415), (8965, 27388), (9020, 27221), (9185, 26732), (13366, 18370), (13694, 17930)]