421142020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 1016741376

約数和(自身を除く): 595599356

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 151, 170, 221, 260, 302, 340, 442, 604, 631, 755, 884, 1105, 1262, 1510, 1963, 2210, 2524, 2567, 3020, 3155, 3926, 4420, 5134, 6310, 7852, 8203, 9815, 10268, 10727, 12620, 12835, 16406, 19630, 21454, 25670, 32812, 33371, 39260, 41015, 42908, 51340, 53635, 66742, 82030, 95281, 107270, 133484, 139451, 164060, 166855, 190562, 214540, 278902, 333710, 381124, 476405, 557804, 667420, 697255, 952810, 1238653, 1394510, 1619777, 1905620, 2477306, 2789020, 3239554, 4954612, 6193265, 6479108, 8098885, 12386530, 16197770, 21057101, 24773060, 32395540, 42114202, 84228404, 105285505, 210571010, 421142020]

約数ペア:

[(1, 421142020), (2, 210571010), (4, 105285505), (5, 84228404), (10, 42114202), (13, 32395540), (17, 24773060), (20, 21057101), (26, 16197770), (34, 12386530), (52, 8098885), (65, 6479108), (68, 6193265), (85, 4954612), (130, 3239554), (151, 2789020), (170, 2477306), (221, 1905620), (260, 1619777), (302, 1394510), (340, 1238653), (442, 952810), (604, 697255), (631, 667420), (755, 557804), (884, 476405), (1105, 381124), (1262, 333710), (1510, 278902), (1963, 214540), (2210, 190562), (2524, 166855), (2567, 164060), (3020, 139451), (3155, 133484), (3926, 107270), (4420, 95281), (5134, 82030), (6310, 66742), (7852, 53635), (8203, 51340), (9815, 42908), (10268, 41015), (10727, 39260), (12620, 33371), (12835, 32812), (16406, 25670), (19630, 21454)]