409864540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 930787200

約数和(自身を除く): 520922660

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 71, 74, 116, 142, 145, 148, 185, 269, 284, 290, 355, 370, 538, 580, 710, 740, 1073, 1076, 1345, 1420, 2059, 2146, 2627, 2690, 4118, 4292, 5254, 5365, 5380, 7801, 8236, 9953, 10295, 10508, 10730, 13135, 15602, 19099, 19906, 20590, 21460, 26270, 31204, 38198, 39005, 39812, 41180, 49765, 52540, 76183, 76396, 78010, 95495, 99530, 152366, 156020, 190990, 199060, 288637, 304732, 380915, 381980, 553871, 577274, 706663, 761830, 1107742, 1154548, 1413326, 1443185, 1523660, 2215484, 2769355, 2826652, 2886370, 3533315, 5538710, 5772740, 7066630, 11077420, 14133260, 20493227, 40986454, 81972908, 102466135, 204932270, 409864540]

約数ペア:

[(1, 409864540), (2, 204932270), (4, 102466135), (5, 81972908), (10, 40986454), (20, 20493227), (29, 14133260), (37, 11077420), (58, 7066630), (71, 5772740), (74, 5538710), (116, 3533315), (142, 2886370), (145, 2826652), (148, 2769355), (185, 2215484), (269, 1523660), (284, 1443185), (290, 1413326), (355, 1154548), (370, 1107742), (538, 761830), (580, 706663), (710, 577274), (740, 553871), (1073, 381980), (1076, 380915), (1345, 304732), (1420, 288637), (2059, 199060), (2146, 190990), (2627, 156020), (2690, 152366), (4118, 99530), (4292, 95495), (5254, 78010), (5365, 76396), (5380, 76183), (7801, 52540), (8236, 49765), (9953, 41180), (10295, 39812), (10508, 39005), (10730, 38198), (13135, 31204), (15602, 26270), (19099, 21460), (19906, 20590)]