1056551000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:762

約数の個数: 128

約数和(自身を含む): 2620200960

約数和(自身を除く): 1563649960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 71, 92, 100, 115, 125, 142, 184, 200, 230, 250, 284, 355, 460, 500, 568, 575, 647, 710, 920, 1000, 1150, 1294, 1420, 1633, 1775, 2300, 2588, 2840, 2875, 3235, 3266, 3550, 4600, 5176, 5750, 6470, 6532, 7100, 8165, 8875, 11500, 12940, 13064, 14200, 14881, 16175, 16330, 17750, 23000, 25880, 29762, 32350, 32660, 35500, 40825, 45937, 59524, 64700, 65320, 71000, 74405, 80875, 81650, 91874, 119048, 129400, 148810, 161750, 163300, 183748, 204125, 229685, 297620, 323500, 326600, 367496, 372025, 408250, 459370, 595240, 647000, 744050, 816500, 918740, 1056551, 1148425, 1488100, 1633000, 1837480, 1860125, 2113102, 2296850, 2976200, 3720250, 4226204, 4593700, 5282755, 5742125, 7440500, 8452408, 9187400, 10565510, 11484250, 14881000, 21131020, 22968500, 26413775, 42262040, 45937000, 52827550, 105655100, 132068875, 211310200, 264137750, 528275500, 1056551000]

約数ペア:

[(1, 1056551000), (2, 528275500), (4, 264137750), (5, 211310200), (8, 132068875), (10, 105655100), (20, 52827550), (23, 45937000), (25, 42262040), (40, 26413775), (46, 22968500), (50, 21131020), (71, 14881000), (92, 11484250), (100, 10565510), (115, 9187400), (125, 8452408), (142, 7440500), (184, 5742125), (200, 5282755), (230, 4593700), (250, 4226204), (284, 3720250), (355, 2976200), (460, 2296850), (500, 2113102), (568, 1860125), (575, 1837480), (647, 1633000), (710, 1488100), (920, 1148425), (1000, 1056551), (1150, 918740), (1294, 816500), (1420, 744050), (1633, 647000), (1775, 595240), (2300, 459370), (2588, 408250), (2840, 372025), (2875, 367496), (3235, 326600), (3266, 323500), (3550, 297620), (4600, 229685), (5176, 204125), (5750, 183748), (6470, 163300), (6532, 161750), (7100, 148810), (8165, 129400), (8875, 119048), (11500, 91874), (12940, 81650), (13064, 80875), (14200, 74405), (14881, 71000), (16175, 65320), (16330, 64700), (17750, 59524), (23000, 45937), (25880, 40825), (29762, 35500), (32350, 32660)]