690392950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1538

約数の個数: 96

約数和(自身を含む): 1499341536

約数和(自身を除く): 808948586

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 43, 50, 65, 85, 86, 130, 170, 215, 221, 325, 425, 430, 442, 559, 650, 731, 850, 1075, 1105, 1118, 1453, 1462, 2150, 2210, 2795, 2906, 3655, 5525, 5590, 7265, 7310, 9503, 11050, 13975, 14530, 18275, 18889, 19006, 24701, 27950, 36325, 36550, 37778, 47515, 49402, 62479, 72650, 94445, 95030, 123505, 124958, 188890, 237575, 247010, 312395, 321113, 472225, 475150, 617525, 624790, 642226, 812227, 944450, 1062143, 1235050, 1561975, 1605565, 1624454, 2124286, 3123950, 3211130, 4061135, 5310715, 8027825, 8122270, 10621430, 13807859, 16055650, 20305675, 26553575, 27615718, 40611350, 53107150, 69039295, 138078590, 345196475, 690392950]

約数ペア:

[(1, 690392950), (2, 345196475), (5, 138078590), (10, 69039295), (13, 53107150), (17, 40611350), (25, 27615718), (26, 26553575), (34, 20305675), (43, 16055650), (50, 13807859), (65, 10621430), (85, 8122270), (86, 8027825), (130, 5310715), (170, 4061135), (215, 3211130), (221, 3123950), (325, 2124286), (425, 1624454), (430, 1605565), (442, 1561975), (559, 1235050), (650, 1062143), (731, 944450), (850, 812227), (1075, 642226), (1105, 624790), (1118, 617525), (1453, 475150), (1462, 472225), (2150, 321113), (2210, 312395), (2795, 247010), (2906, 237575), (3655, 188890), (5525, 124958), (5590, 123505), (7265, 95030), (7310, 94445), (9503, 72650), (11050, 62479), (13975, 49402), (14530, 47515), (18275, 37778), (18889, 36550), (19006, 36325), (24701, 27950)]