290208020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 705559680

約数和(自身を除く): 415351660

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 37, 46, 59, 68, 74, 85, 92, 115, 118, 148, 170, 185, 230, 236, 289, 295, 340, 370, 391, 460, 578, 590, 629, 740, 782, 851, 1003, 1156, 1180, 1258, 1357, 1445, 1564, 1702, 1955, 2006, 2183, 2516, 2714, 2890, 3145, 3404, 3910, 4012, 4255, 4366, 5015, 5428, 5780, 6290, 6647, 6785, 7820, 8510, 8732, 10030, 10693, 10915, 12580, 13294, 13570, 14467, 17020, 17051, 20060, 21386, 21830, 23069, 26588, 27140, 28934, 33235, 34102, 37111, 42772, 43660, 46138, 50209, 53465, 57868, 66470, 68204, 72335, 74222, 85255, 92276, 100418, 106930, 115345, 132940, 144670, 148444, 170510, 185555, 200836, 213860, 230690, 245939, 251045, 289340, 341020, 371110, 392173, 461380, 491878, 502090, 630887, 742220, 784346, 853553, 983756, 1004180, 1229695, 1261774, 1568692, 1707106, 1960865, 2459390, 2523548, 3154435, 3414212, 3921730, 4267765, 4918780, 6308870, 7843460, 8535530, 12617740, 14510401, 17071060, 29020802, 58041604, 72552005, 145104010, 290208020]

約数ペア:

[(1, 290208020), (2, 145104010), (4, 72552005), (5, 58041604), (10, 29020802), (17, 17071060), (20, 14510401), (23, 12617740), (34, 8535530), (37, 7843460), (46, 6308870), (59, 4918780), (68, 4267765), (74, 3921730), (85, 3414212), (92, 3154435), (115, 2523548), (118, 2459390), (148, 1960865), (170, 1707106), (185, 1568692), (230, 1261774), (236, 1229695), (289, 1004180), (295, 983756), (340, 853553), (370, 784346), (391, 742220), (460, 630887), (578, 502090), (590, 491878), (629, 461380), (740, 392173), (782, 371110), (851, 341020), (1003, 289340), (1156, 251045), (1180, 245939), (1258, 230690), (1357, 213860), (1445, 200836), (1564, 185555), (1702, 170510), (1955, 148444), (2006, 144670), (2183, 132940), (2516, 115345), (2714, 106930), (2890, 100418), (3145, 92276), (3404, 85255), (3910, 74222), (4012, 72335), (4255, 68204), (4366, 66470), (5015, 57868), (5428, 53465), (5780, 50209), (6290, 46138), (6647, 43660), (6785, 42772), (7820, 37111), (8510, 34102), (8732, 33235), (10030, 28934), (10693, 27140), (10915, 26588), (12580, 23069), (13294, 21830), (13570, 21386), (14467, 20060), (17020, 17051)]