641829500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5197}}^1$

素因数の和:5248

約数の個数: 96

約数和(自身を含む): 1589340480

約数和(自身を除く): 947510980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 190, 247, 250, 260, 325, 380, 475, 494, 500, 650, 950, 988, 1235, 1300, 1625, 1900, 2375, 2470, 3250, 4750, 4940, 5197, 6175, 6500, 9500, 10394, 12350, 20788, 24700, 25985, 30875, 51970, 61750, 67561, 98743, 103940, 123500, 129925, 135122, 197486, 259850, 270244, 337805, 394972, 493715, 519700, 649625, 675610, 987430, 1283659, 1299250, 1351220, 1689025, 1974860, 2468575, 2567318, 2598500, 3378050, 4937150, 5134636, 6418295, 6756100, 8445125, 9874300, 12342875, 12836590, 16890250, 24685750, 25673180, 32091475, 33780500, 49371500, 64182950, 128365900, 160457375, 320914750, 641829500]

約数ペア:

[(1, 641829500), (2, 320914750), (4, 160457375), (5, 128365900), (10, 64182950), (13, 49371500), (19, 33780500), (20, 32091475), (25, 25673180), (26, 24685750), (38, 16890250), (50, 12836590), (52, 12342875), (65, 9874300), (76, 8445125), (95, 6756100), (100, 6418295), (125, 5134636), (130, 4937150), (190, 3378050), (247, 2598500), (250, 2567318), (260, 2468575), (325, 1974860), (380, 1689025), (475, 1351220), (494, 1299250), (500, 1283659), (650, 987430), (950, 675610), (988, 649625), (1235, 519700), (1300, 493715), (1625, 394972), (1900, 337805), (2375, 270244), (2470, 259850), (3250, 197486), (4750, 135122), (4940, 129925), (5197, 123500), (6175, 103940), (6500, 98743), (9500, 67561), (10394, 61750), (12350, 51970), (20788, 30875), (24700, 25985)]