49997000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 124998120

約数和(自身を除く): 75001120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 173, 200, 250, 289, 340, 346, 425, 500, 578, 680, 692, 850, 865, 1000, 1156, 1384, 1445, 1700, 1730, 2125, 2312, 2890, 2941, 3400, 3460, 4250, 4325, 5780, 5882, 6920, 7225, 8500, 8650, 11560, 11764, 14450, 14705, 17000, 17300, 21625, 23528, 28900, 29410, 34600, 36125, 43250, 49997, 57800, 58820, 72250, 73525, 86500, 99994, 117640, 144500, 147050, 173000, 199988, 249985, 289000, 294100, 367625, 399976, 499970, 588200, 735250, 999940, 1249925, 1470500, 1999880, 2499850, 2941000, 4999700, 6249625, 9999400, 12499250, 24998500, 49997000]

約数ペア:

[(1, 49997000), (2, 24998500), (4, 12499250), (5, 9999400), (8, 6249625), (10, 4999700), (17, 2941000), (20, 2499850), (25, 1999880), (34, 1470500), (40, 1249925), (50, 999940), (68, 735250), (85, 588200), (100, 499970), (125, 399976), (136, 367625), (170, 294100), (173, 289000), (200, 249985), (250, 199988), (289, 173000), (340, 147050), (346, 144500), (425, 117640), (500, 99994), (578, 86500), (680, 73525), (692, 72250), (850, 58820), (865, 57800), (1000, 49997), (1156, 43250), (1384, 36125), (1445, 34600), (1700, 29410), (1730, 28900), (2125, 23528), (2312, 21625), (2890, 17300), (2941, 17000), (3400, 14705), (3460, 14450), (4250, 11764), (4325, 11560), (5780, 8650), (5882, 8500), (6920, 7225)]