71322820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2357}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 160438320

約数和(自身を除く): 89115500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2357, 3026, 4714, 6052, 7565, 9428, 11785, 15130, 23570, 30260, 40069, 47140, 80138, 160276, 200345, 209773, 400690, 419546, 801380, 839092, 1048865, 2097730, 3566141, 4195460, 7132282, 14264564, 17830705, 35661410, 71322820]

約数ペア:

[(1, 71322820), (2, 35661410), (4, 17830705), (5, 14264564), (10, 7132282), (17, 4195460), (20, 3566141), (34, 2097730), (68, 1048865), (85, 839092), (89, 801380), (170, 419546), (178, 400690), (340, 209773), (356, 200345), (445, 160276), (890, 80138), (1513, 47140), (1780, 40069), (2357, 30260), (3026, 23570), (4714, 15130), (6052, 11785), (7565, 9428)]