64622900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 145537560

約数和(自身を除く): 80914660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 89, 100, 106, 137, 178, 212, 265, 274, 356, 445, 530, 548, 685, 890, 1060, 1325, 1370, 1780, 2225, 2650, 2740, 3425, 4450, 4717, 5300, 6850, 7261, 8900, 9434, 12193, 13700, 14522, 18868, 23585, 24386, 29044, 36305, 47170, 48772, 60965, 72610, 94340, 117925, 121930, 145220, 181525, 235850, 243860, 304825, 363050, 471700, 609650, 646229, 726100, 1219300, 1292458, 2584916, 3231145, 6462290, 12924580, 16155725, 32311450, 64622900]

約数ペア:

[(1, 64622900), (2, 32311450), (4, 16155725), (5, 12924580), (10, 6462290), (20, 3231145), (25, 2584916), (50, 1292458), (53, 1219300), (89, 726100), (100, 646229), (106, 609650), (137, 471700), (178, 363050), (212, 304825), (265, 243860), (274, 235850), (356, 181525), (445, 145220), (530, 121930), (548, 117925), (685, 94340), (890, 72610), (1060, 60965), (1325, 48772), (1370, 47170), (1780, 36305), (2225, 29044), (2650, 24386), (2740, 23585), (3425, 18868), (4450, 14522), (4717, 13700), (5300, 12193), (6850, 9434), (7261, 8900)]