450281380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1709

約数の個数: 96

約数和(自身を含む): 1079084160

約数和(自身を除く): 628802780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 43, 68, 76, 85, 86, 95, 170, 172, 190, 215, 323, 340, 380, 430, 646, 731, 817, 860, 1292, 1462, 1615, 1621, 1634, 2924, 3230, 3242, 3268, 3655, 4085, 6460, 6484, 7310, 8105, 8170, 13889, 14620, 16210, 16340, 27557, 27778, 30799, 32420, 55114, 55556, 61598, 69445, 69703, 110228, 123196, 137785, 138890, 139406, 153995, 275570, 277780, 278812, 307990, 348515, 523583, 551140, 615980, 697030, 1047166, 1184951, 1324357, 1394060, 2094332, 2369902, 2617915, 2648714, 4739804, 5235830, 5297428, 5924755, 6621785, 10471660, 11849510, 13243570, 22514069, 23699020, 26487140, 45028138, 90056276, 112570345, 225140690, 450281380]

約数ペア:

[(1, 450281380), (2, 225140690), (4, 112570345), (5, 90056276), (10, 45028138), (17, 26487140), (19, 23699020), (20, 22514069), (34, 13243570), (38, 11849510), (43, 10471660), (68, 6621785), (76, 5924755), (85, 5297428), (86, 5235830), (95, 4739804), (170, 2648714), (172, 2617915), (190, 2369902), (215, 2094332), (323, 1394060), (340, 1324357), (380, 1184951), (430, 1047166), (646, 697030), (731, 615980), (817, 551140), (860, 523583), (1292, 348515), (1462, 307990), (1615, 278812), (1621, 277780), (1634, 275570), (2924, 153995), (3230, 139406), (3242, 138890), (3268, 137785), (3655, 123196), (4085, 110228), (6460, 69703), (6484, 69445), (7310, 61598), (8105, 55556), (8170, 55114), (13889, 32420), (14620, 30799), (16210, 27778), (16340, 27557)]