1777648300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{2297}}^1$

素因数の和:2491

約数の個数: 72

約数和(自身を含む): 3949434720

約数和(自身を除く): 2171786420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 109, 142, 218, 284, 355, 436, 545, 710, 1090, 1420, 1775, 2180, 2297, 2725, 3550, 4594, 5450, 7100, 7739, 9188, 10900, 11485, 15478, 22970, 30956, 38695, 45940, 57425, 77390, 114850, 154780, 163087, 193475, 229700, 250373, 326174, 386950, 500746, 652348, 773900, 815435, 1001492, 1251865, 1630870, 2503730, 3261740, 4077175, 5007460, 6259325, 8154350, 12518650, 16308700, 17776483, 25037300, 35552966, 71105932, 88882415, 177764830, 355529660, 444412075, 888824150, 1777648300]

約数ペア:

[(1, 1777648300), (2, 888824150), (4, 444412075), (5, 355529660), (10, 177764830), (20, 88882415), (25, 71105932), (50, 35552966), (71, 25037300), (100, 17776483), (109, 16308700), (142, 12518650), (218, 8154350), (284, 6259325), (355, 5007460), (436, 4077175), (545, 3261740), (710, 2503730), (1090, 1630870), (1420, 1251865), (1775, 1001492), (2180, 815435), (2297, 773900), (2725, 652348), (3550, 500746), (4594, 386950), (5450, 326174), (7100, 250373), (7739, 229700), (9188, 193475), (10900, 163087), (11485, 154780), (15478, 114850), (22970, 77390), (30956, 57425), (38695, 45940)]