85442500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 220429440

約数和(自身を除く): 134986940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 220, 239, 250, 260, 275, 286, 325, 478, 500, 550, 572, 625, 650, 715, 956, 1100, 1195, 1250, 1300, 1375, 1430, 1625, 2390, 2500, 2629, 2750, 2860, 3107, 3250, 3575, 4780, 5258, 5500, 5975, 6214, 6500, 6875, 7150, 8125, 10516, 11950, 12428, 13145, 13750, 14300, 15535, 16250, 17875, 23900, 26290, 27500, 29875, 31070, 32500, 34177, 35750, 52580, 59750, 62140, 65725, 68354, 71500, 77675, 89375, 119500, 131450, 136708, 149375, 155350, 170885, 178750, 262900, 298750, 310700, 328625, 341770, 357500, 388375, 597500, 657250, 683540, 776750, 854425, 1314500, 1553500, 1643125, 1708850, 1941875, 3286250, 3417700, 3883750, 4272125, 6572500, 7767500, 8544250, 17088500, 21360625, 42721250, 85442500]

約数ペア:

[(1, 85442500), (2, 42721250), (4, 21360625), (5, 17088500), (10, 8544250), (11, 7767500), (13, 6572500), (20, 4272125), (22, 3883750), (25, 3417700), (26, 3286250), (44, 1941875), (50, 1708850), (52, 1643125), (55, 1553500), (65, 1314500), (100, 854425), (110, 776750), (125, 683540), (130, 657250), (143, 597500), (220, 388375), (239, 357500), (250, 341770), (260, 328625), (275, 310700), (286, 298750), (325, 262900), (478, 178750), (500, 170885), (550, 155350), (572, 149375), (625, 136708), (650, 131450), (715, 119500), (956, 89375), (1100, 77675), (1195, 71500), (1250, 68354), (1300, 65725), (1375, 62140), (1430, 59750), (1625, 52580), (2390, 35750), (2500, 34177), (2629, 32500), (2750, 31070), (2860, 29875), (3107, 27500), (3250, 26290), (3575, 23900), (4780, 17875), (5258, 16250), (5500, 15535), (5975, 14300), (6214, 13750), (6500, 13145), (6875, 12428), (7150, 11950), (8125, 10516)]