428754950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 914004000

約数和(自身を除く): 485249050

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 149, 190, 233, 247, 298, 325, 466, 475, 494, 650, 745, 950, 1165, 1235, 1490, 1937, 2330, 2470, 2831, 3029, 3725, 3874, 4427, 5662, 5825, 6058, 6175, 7450, 8854, 9685, 11650, 12350, 14155, 15145, 19370, 22135, 28310, 30290, 34717, 36803, 44270, 48425, 57551, 69434, 70775, 73606, 75725, 96850, 110675, 115102, 141550, 151450, 173585, 184015, 221350, 287755, 347170, 368030, 451321, 575510, 659623, 867925, 902642, 920075, 1319246, 1438775, 1735850, 1840150, 2256605, 2877550, 3298115, 4513210, 6596230, 8575099, 11283025, 16490575, 17150198, 22566050, 32981150, 42875495, 85750990, 214377475, 428754950]

約数ペア:

[(1, 428754950), (2, 214377475), (5, 85750990), (10, 42875495), (13, 32981150), (19, 22566050), (25, 17150198), (26, 16490575), (38, 11283025), (50, 8575099), (65, 6596230), (95, 4513210), (130, 3298115), (149, 2877550), (190, 2256605), (233, 1840150), (247, 1735850), (298, 1438775), (325, 1319246), (466, 920075), (475, 902642), (494, 867925), (650, 659623), (745, 575510), (950, 451321), (1165, 368030), (1235, 347170), (1490, 287755), (1937, 221350), (2330, 184015), (2470, 173585), (2831, 151450), (3029, 141550), (3725, 115102), (3874, 110675), (4427, 96850), (5662, 75725), (5825, 73606), (6058, 70775), (6175, 69434), (7450, 57551), (8854, 48425), (9685, 44270), (11650, 36803), (12350, 34717), (14155, 30290), (15145, 28310), (19370, 22135)]