142987000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 128

約数和(自身を含む): 382112640

約数和(自身を除く): 239125640

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 125, 130, 136, 170, 200, 221, 250, 260, 325, 340, 425, 442, 500, 520, 647, 650, 680, 850, 884, 1000, 1105, 1294, 1300, 1625, 1700, 1768, 2125, 2210, 2588, 2600, 3235, 3250, 3400, 4250, 4420, 5176, 5525, 6470, 6500, 8411, 8500, 8840, 10999, 11050, 12940, 13000, 16175, 16822, 17000, 21998, 22100, 25880, 27625, 32350, 33644, 42055, 43996, 44200, 54995, 55250, 64700, 67288, 80875, 84110, 87992, 109990, 110500, 129400, 142987, 161750, 168220, 210275, 219980, 221000, 274975, 285974, 323500, 336440, 420550, 439960, 549950, 571948, 647000, 714935, 841100, 1051375, 1099900, 1143896, 1374875, 1429870, 1682200, 2102750, 2199800, 2749750, 2859740, 3574675, 4205500, 5499500, 5719480, 7149350, 8411000, 10999000, 14298700, 17873375, 28597400, 35746750, 71493500, 142987000]

約数ペア:

[(1, 142987000), (2, 71493500), (4, 35746750), (5, 28597400), (8, 17873375), (10, 14298700), (13, 10999000), (17, 8411000), (20, 7149350), (25, 5719480), (26, 5499500), (34, 4205500), (40, 3574675), (50, 2859740), (52, 2749750), (65, 2199800), (68, 2102750), (85, 1682200), (100, 1429870), (104, 1374875), (125, 1143896), (130, 1099900), (136, 1051375), (170, 841100), (200, 714935), (221, 647000), (250, 571948), (260, 549950), (325, 439960), (340, 420550), (425, 336440), (442, 323500), (500, 285974), (520, 274975), (647, 221000), (650, 219980), (680, 210275), (850, 168220), (884, 161750), (1000, 142987), (1105, 129400), (1294, 110500), (1300, 109990), (1625, 87992), (1700, 84110), (1768, 80875), (2125, 67288), (2210, 64700), (2588, 55250), (2600, 54995), (3235, 44200), (3250, 43996), (3400, 42055), (4250, 33644), (4420, 32350), (5176, 27625), (5525, 25880), (6470, 22100), (6500, 21998), (8411, 17000), (8500, 16822), (8840, 16175), (10999, 13000), (11050, 12940)]