394880457680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6569}}^1\times {\mathrm{24239}}^1$

素因数の和:30852

約数の個数: 80

約数和(自身を含む): 947896473600

約数和(自身を除く): 553016015920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6569, 13138, 24239, 26276, 32845, 48478, 52552, 65690, 96956, 105104, 121195, 131380, 193912, 203639, 242390, 262760, 387824, 407278, 484780, 525520, 751409, 814556, 969560, 1018195, 1502818, 1629112, 1939120, 2036390, 3005636, 3258224, 3757045, 4072780, 6011272, 7514090, 8145560, 12022544, 15028180, 16291120, 30056360, 60112720, 159225991, 318451982, 636903964, 796129955, 1273807928, 1592259910, 2547615856, 3184519820, 4936005721, 6369039640, 9872011442, 12738079280, 19744022884, 24680028605, 39488045768, 49360057210, 78976091536, 98720114420, 197440228840, 394880457680]

約数ペア:

[(1, 394880457680), (2, 197440228840), (4, 98720114420), (5, 78976091536), (8, 49360057210), (10, 39488045768), (16, 24680028605), (20, 19744022884), (31, 12738079280), (40, 9872011442), (62, 6369039640), (80, 4936005721), (124, 3184519820), (155, 2547615856), (248, 1592259910), (310, 1273807928), (496, 796129955), (620, 636903964), (1240, 318451982), (2480, 159225991), (6569, 60112720), (13138, 30056360), (24239, 16291120), (26276, 15028180), (32845, 12022544), (48478, 8145560), (52552, 7514090), (65690, 6011272), (96956, 4072780), (105104, 3757045), (121195, 3258224), (131380, 3005636), (193912, 2036390), (203639, 1939120), (242390, 1629112), (262760, 1502818), (387824, 1018195), (407278, 969560), (484780, 814556), (525520, 751409)]