5280404900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{2131}}^1$

素因数の和:2565

約数の個数: 72

約数和(自身を含む): 11658628800

約数和(自身を除く): 6378223900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 349, 355, 698, 710, 1396, 1420, 1745, 1775, 2131, 3490, 3550, 4262, 6980, 7100, 8524, 8725, 10655, 17450, 21310, 24779, 34900, 42620, 49558, 53275, 99116, 106550, 123895, 151301, 213100, 247790, 302602, 495580, 605204, 619475, 743719, 756505, 1238950, 1487438, 1513010, 2477900, 2974876, 3026020, 3718595, 3782525, 7437190, 7565050, 14874380, 15130100, 18592975, 37185950, 52804049, 74371900, 105608098, 211216196, 264020245, 528040490, 1056080980, 1320101225, 2640202450, 5280404900]

約数ペア:

[(1, 5280404900), (2, 2640202450), (4, 1320101225), (5, 1056080980), (10, 528040490), (20, 264020245), (25, 211216196), (50, 105608098), (71, 74371900), (100, 52804049), (142, 37185950), (284, 18592975), (349, 15130100), (355, 14874380), (698, 7565050), (710, 7437190), (1396, 3782525), (1420, 3718595), (1745, 3026020), (1775, 2974876), (2131, 2477900), (3490, 1513010), (3550, 1487438), (4262, 1238950), (6980, 756505), (7100, 743719), (8524, 619475), (8725, 605204), (10655, 495580), (17450, 302602), (21310, 247790), (24779, 213100), (34900, 151301), (42620, 123895), (49558, 106550), (53275, 99116)]