1300406600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{209743}}^1$

素因数の和:209790

約数の個数: 48

約数和(自身を含む): 3120990720

約数和(自身を除く): 1820584120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 209743, 419486, 838972, 1048715, 1677944, 2097430, 4194860, 5243575, 6502033, 8389720, 10487150, 13004066, 20974300, 26008132, 32510165, 41948600, 52016264, 65020330, 130040660, 162550825, 260081320, 325101650, 650203300, 1300406600]

約数ペア:

[(1, 1300406600), (2, 650203300), (4, 325101650), (5, 260081320), (8, 162550825), (10, 130040660), (20, 65020330), (25, 52016264), (31, 41948600), (40, 32510165), (50, 26008132), (62, 20974300), (100, 13004066), (124, 10487150), (155, 8389720), (200, 6502033), (248, 5243575), (310, 4194860), (620, 2097430), (775, 1677944), (1240, 1048715), (1550, 838972), (3100, 419486), (6200, 209743)]