89975000

素因数分解:

$2^3\times 5^5\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 217954800

約数和(自身を除く): 127979800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 61, 100, 118, 122, 125, 200, 236, 244, 250, 295, 305, 472, 488, 500, 590, 610, 625, 1000, 1180, 1220, 1250, 1475, 1525, 2360, 2440, 2500, 2950, 3050, 3125, 3599, 5000, 5900, 6100, 6250, 7198, 7375, 7625, 11800, 12200, 12500, 14396, 14750, 15250, 17995, 25000, 28792, 29500, 30500, 35990, 36875, 38125, 59000, 61000, 71980, 73750, 76250, 89975, 143960, 147500, 152500, 179950, 184375, 190625, 295000, 305000, 359900, 368750, 381250, 449875, 719800, 737500, 762500, 899750, 1475000, 1525000, 1799500, 2249375, 3599000, 4498750, 8997500, 11246875, 17995000, 22493750, 44987500, 89975000]

約数ペア:

[(1, 89975000), (2, 44987500), (4, 22493750), (5, 17995000), (8, 11246875), (10, 8997500), (20, 4498750), (25, 3599000), (40, 2249375), (50, 1799500), (59, 1525000), (61, 1475000), (100, 899750), (118, 762500), (122, 737500), (125, 719800), (200, 449875), (236, 381250), (244, 368750), (250, 359900), (295, 305000), (305, 295000), (472, 190625), (488, 184375), (500, 179950), (590, 152500), (610, 147500), (625, 143960), (1000, 89975), (1180, 76250), (1220, 73750), (1250, 71980), (1475, 61000), (1525, 59000), (2360, 38125), (2440, 36875), (2500, 35990), (2950, 30500), (3050, 29500), (3125, 28792), (3599, 25000), (5000, 17995), (5900, 15250), (6100, 14750), (6250, 14396), (7198, 12500), (7375, 12200), (7625, 11800)]