17998750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:68

約数の個数: 120

約数和(自身を含む): 44873136

約数和(自身を除く): 26874386

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 50, 55, 70, 77, 85, 110, 119, 121, 125, 154, 170, 175, 187, 238, 242, 250, 275, 350, 374, 385, 425, 550, 595, 605, 625, 770, 847, 850, 875, 935, 1190, 1210, 1250, 1309, 1375, 1694, 1750, 1870, 1925, 2057, 2125, 2618, 2750, 2975, 3025, 3850, 4114, 4235, 4250, 4375, 4675, 5950, 6050, 6545, 6875, 8470, 8750, 9350, 9625, 10285, 10625, 13090, 13750, 14399, 14875, 15125, 19250, 20570, 21175, 21250, 23375, 28798, 29750, 30250, 32725, 42350, 46750, 48125, 51425, 65450, 71995, 74375, 75625, 96250, 102850, 105875, 116875, 143990, 148750, 151250, 163625, 211750, 233750, 257125, 327250, 359975, 514250, 529375, 719950, 818125, 1058750, 1285625, 1636250, 1799875, 2571250, 3599750, 8999375, 17998750]

約数ペア:

[(1, 17998750), (2, 8999375), (5, 3599750), (7, 2571250), (10, 1799875), (11, 1636250), (14, 1285625), (17, 1058750), (22, 818125), (25, 719950), (34, 529375), (35, 514250), (50, 359975), (55, 327250), (70, 257125), (77, 233750), (85, 211750), (110, 163625), (119, 151250), (121, 148750), (125, 143990), (154, 116875), (170, 105875), (175, 102850), (187, 96250), (238, 75625), (242, 74375), (250, 71995), (275, 65450), (350, 51425), (374, 48125), (385, 46750), (425, 42350), (550, 32725), (595, 30250), (605, 29750), (625, 28798), (770, 23375), (847, 21250), (850, 21175), (875, 20570), (935, 19250), (1190, 15125), (1210, 14875), (1250, 14399), (1309, 13750), (1375, 13090), (1694, 10625), (1750, 10285), (1870, 9625), (1925, 9350), (2057, 8750), (2125, 8470), (2618, 6875), (2750, 6545), (2975, 6050), (3025, 5950), (3850, 4675), (4114, 4375), (4235, 4250)]