1520550050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1492

約数の個数: 72

約数和(自身を含む): 3036041172

約数和(自身を除く): 1515491122

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 361, 475, 610, 722, 950, 1159, 1381, 1525, 1805, 2318, 2762, 3050, 3610, 5795, 6905, 9025, 11590, 13810, 18050, 22021, 26239, 28975, 34525, 44042, 52478, 57950, 69050, 84241, 110105, 131195, 168482, 220210, 262390, 421205, 498541, 550525, 655975, 842410, 997082, 1101050, 1311950, 1600579, 2106025, 2492705, 3201158, 4212050, 4985410, 8002895, 12463525, 16005790, 24927050, 30411001, 40014475, 60822002, 80028950, 152055005, 304110010, 760275025, 1520550050]

約数ペア:

[(1, 1520550050), (2, 760275025), (5, 304110010), (10, 152055005), (19, 80028950), (25, 60822002), (38, 40014475), (50, 30411001), (61, 24927050), (95, 16005790), (122, 12463525), (190, 8002895), (305, 4985410), (361, 4212050), (475, 3201158), (610, 2492705), (722, 2106025), (950, 1600579), (1159, 1311950), (1381, 1101050), (1525, 997082), (1805, 842410), (2318, 655975), (2762, 550525), (3050, 498541), (3610, 421205), (5795, 262390), (6905, 220210), (9025, 168482), (11590, 131195), (13810, 110105), (18050, 84241), (22021, 69050), (26239, 57950), (28975, 52478), (34525, 44042)]