157786420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{577}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 368072712

約数和(自身を除く): 210286292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 121, 220, 226, 242, 452, 484, 565, 577, 605, 1130, 1154, 1210, 1243, 2260, 2308, 2420, 2486, 2885, 4972, 5770, 6215, 6347, 11540, 12430, 12694, 13673, 24860, 25388, 27346, 31735, 54692, 63470, 65201, 68365, 69817, 126940, 130402, 136730, 139634, 260804, 273460, 279268, 326005, 349085, 652010, 698170, 717211, 1304020, 1396340, 1434422, 2868844, 3586055, 7172110, 7889321, 14344220, 15778642, 31557284, 39446605, 78893210, 157786420]

約数ペア:

[(1, 157786420), (2, 78893210), (4, 39446605), (5, 31557284), (10, 15778642), (11, 14344220), (20, 7889321), (22, 7172110), (44, 3586055), (55, 2868844), (110, 1434422), (113, 1396340), (121, 1304020), (220, 717211), (226, 698170), (242, 652010), (452, 349085), (484, 326005), (565, 279268), (577, 273460), (605, 260804), (1130, 139634), (1154, 136730), (1210, 130402), (1243, 126940), (2260, 69817), (2308, 68365), (2420, 65201), (2486, 63470), (2885, 54692), (4972, 31735), (5770, 27346), (6215, 25388), (6347, 24860), (11540, 13673), (12430, 12694)]