405197720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11243}}^1$

素因数の和:11324

約数の個数: 64

約数和(自身を含む): 983625120

約数和(自身を除く): 578427400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3604, 4505, 7208, 9010, 11243, 18020, 22486, 36040, 44972, 56215, 89944, 112430, 191131, 224860, 382262, 449720, 595879, 764524, 955655, 1191758, 1529048, 1911310, 2383516, 2979395, 3822620, 4767032, 5958790, 7645240, 10129943, 11917580, 20259886, 23835160, 40519772, 50649715, 81039544, 101299430, 202598860, 405197720]

約数ペア:

[(1, 405197720), (2, 202598860), (4, 101299430), (5, 81039544), (8, 50649715), (10, 40519772), (17, 23835160), (20, 20259886), (34, 11917580), (40, 10129943), (53, 7645240), (68, 5958790), (85, 4767032), (106, 3822620), (136, 2979395), (170, 2383516), (212, 1911310), (265, 1529048), (340, 1191758), (424, 955655), (530, 764524), (680, 595879), (901, 449720), (1060, 382262), (1802, 224860), (2120, 191131), (3604, 112430), (4505, 89944), (7208, 56215), (9010, 44972), (11243, 36040), (18020, 22486)]