248495000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{3823}}^1$

素因数の和:3862

約数の個数: 80

約数和(自身を含む): 627174240

約数和(自身を除く): 378679240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1250, 1300, 1625, 2500, 2600, 3250, 3823, 5000, 6500, 7646, 8125, 13000, 15292, 16250, 19115, 30584, 32500, 38230, 49699, 65000, 76460, 95575, 99398, 152920, 191150, 198796, 248495, 382300, 397592, 477875, 496990, 764600, 955750, 993980, 1242475, 1911500, 1987960, 2389375, 2484950, 3823000, 4778750, 4969900, 6212375, 9557500, 9939800, 12424750, 19115000, 24849500, 31061875, 49699000, 62123750, 124247500, 248495000]

約数ペア:

[(1, 248495000), (2, 124247500), (4, 62123750), (5, 49699000), (8, 31061875), (10, 24849500), (13, 19115000), (20, 12424750), (25, 9939800), (26, 9557500), (40, 6212375), (50, 4969900), (52, 4778750), (65, 3823000), (100, 2484950), (104, 2389375), (125, 1987960), (130, 1911500), (200, 1242475), (250, 993980), (260, 955750), (325, 764600), (500, 496990), (520, 477875), (625, 397592), (650, 382300), (1000, 248495), (1250, 198796), (1300, 191150), (1625, 152920), (2500, 99398), (2600, 95575), (3250, 76460), (3823, 65000), (5000, 49699), (6500, 38230), (7646, 32500), (8125, 30584), (13000, 19115), (15292, 16250)]