40666570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 85876200

約数和(自身を除く): 45209630

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 149, 245, 298, 490, 557, 745, 1043, 1114, 1490, 2086, 2785, 3899, 5215, 5570, 7301, 7798, 10430, 14602, 19495, 27293, 36505, 38990, 54586, 73010, 82993, 136465, 165986, 272930, 414965, 580951, 829930, 1161902, 2904755, 4066657, 5809510, 8133314, 20333285, 40666570]

約数ペア:

[(1, 40666570), (2, 20333285), (5, 8133314), (7, 5809510), (10, 4066657), (14, 2904755), (35, 1161902), (49, 829930), (70, 580951), (98, 414965), (149, 272930), (245, 165986), (298, 136465), (490, 82993), (557, 73010), (745, 54586), (1043, 38990), (1114, 36505), (1490, 27293), (2086, 19495), (2785, 14602), (3899, 10430), (5215, 7798), (5570, 7301)]