428570175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1439}}^1$

素因数の和:1501

約数の個数: 72

約数和(自身を含む): 816376320

約数和(自身を除く): 387806145

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 361, 475, 627, 825, 1045, 1083, 1425, 1439, 1805, 3135, 3971, 4317, 5225, 5415, 7195, 9025, 11913, 15675, 15829, 19855, 21585, 27075, 27341, 35975, 47487, 59565, 79145, 82023, 99275, 107925, 136705, 237435, 297825, 300751, 395725, 410115, 519479, 683525, 902253, 1187175, 1503755, 1558437, 2050575, 2597395, 4511265, 5714269, 7518775, 7792185, 12986975, 17142807, 22556325, 28571345, 38960925, 85714035, 142856725, 428570175]

約数ペア:

[(1, 428570175), (3, 142856725), (5, 85714035), (11, 38960925), (15, 28571345), (19, 22556325), (25, 17142807), (33, 12986975), (55, 7792185), (57, 7518775), (75, 5714269), (95, 4511265), (165, 2597395), (209, 2050575), (275, 1558437), (285, 1503755), (361, 1187175), (475, 902253), (627, 683525), (825, 519479), (1045, 410115), (1083, 395725), (1425, 300751), (1439, 297825), (1805, 237435), (3135, 136705), (3971, 107925), (4317, 99275), (5225, 82023), (5415, 79145), (7195, 59565), (9025, 47487), (11913, 35975), (15675, 27341), (15829, 27075), (19855, 21585)]