4721240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 11547360

約数和(自身を除く): 6826120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 131, 136, 170, 212, 262, 265, 340, 424, 524, 530, 655, 680, 901, 1048, 1060, 1310, 1802, 2120, 2227, 2620, 3604, 4454, 4505, 5240, 6943, 7208, 8908, 9010, 11135, 13886, 17816, 18020, 22270, 27772, 34715, 36040, 44540, 55544, 69430, 89080, 118031, 138860, 236062, 277720, 472124, 590155, 944248, 1180310, 2360620, 4721240]

約数ペア:

[(1, 4721240), (2, 2360620), (4, 1180310), (5, 944248), (8, 590155), (10, 472124), (17, 277720), (20, 236062), (34, 138860), (40, 118031), (53, 89080), (68, 69430), (85, 55544), (106, 44540), (131, 36040), (136, 34715), (170, 27772), (212, 22270), (262, 18020), (265, 17816), (340, 13886), (424, 11135), (524, 9010), (530, 8908), (655, 7208), (680, 6943), (901, 5240), (1048, 4505), (1060, 4454), (1310, 3604), (1802, 2620), (2120, 2227)]