1999895140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{16183}}^1$

素因数の和:16396

約数の個数: 48

約数和(自身を含む): 4339383552

約数和(自身を除く): 2339488412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 167, 185, 334, 370, 668, 740, 835, 1670, 3340, 6179, 12358, 16183, 24716, 30895, 32366, 61790, 64732, 80915, 123580, 161830, 323660, 598771, 1197542, 2395084, 2702561, 2993855, 5405122, 5987710, 10810244, 11975420, 13512805, 27025610, 54051220, 99994757, 199989514, 399979028, 499973785, 999947570, 1999895140]

約数ペア:

[(1, 1999895140), (2, 999947570), (4, 499973785), (5, 399979028), (10, 199989514), (20, 99994757), (37, 54051220), (74, 27025610), (148, 13512805), (167, 11975420), (185, 10810244), (334, 5987710), (370, 5405122), (668, 2993855), (740, 2702561), (835, 2395084), (1670, 1197542), (3340, 598771), (6179, 323660), (12358, 161830), (16183, 123580), (24716, 80915), (30895, 64732), (32366, 61790)]