201217840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67979}}^1$

素因数の和:68029

約数の個数: 40

約数和(自身を含む): 480482640

約数和(自身を除く): 279264800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 67979, 135958, 271916, 339895, 543832, 679790, 1087664, 1359580, 2515223, 2719160, 5030446, 5438320, 10060892, 12576115, 20121784, 25152230, 40243568, 50304460, 100608920, 201217840]

約数ペア:

[(1, 201217840), (2, 100608920), (4, 50304460), (5, 40243568), (8, 25152230), (10, 20121784), (16, 12576115), (20, 10060892), (37, 5438320), (40, 5030446), (74, 2719160), (80, 2515223), (148, 1359580), (185, 1087664), (296, 679790), (370, 543832), (592, 339895), (740, 271916), (1480, 135958), (2960, 67979)]