285067900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12899}}^1$

素因数の和:12943

約数の個数: 72

約数和(自身を含む): 705423600

約数和(自身を除く): 420355700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 4420, 5525, 11050, 12899, 22100, 25798, 51596, 64495, 128990, 167687, 219283, 257980, 322475, 335374, 438566, 644950, 670748, 838435, 877132, 1096415, 1289900, 1676870, 2192830, 2850679, 3353740, 4192175, 4385660, 5482075, 5701358, 8384350, 10964150, 11402716, 14253395, 16768700, 21928300, 28506790, 57013580, 71266975, 142533950, 285067900]

約数ペア:

[(1, 285067900), (2, 142533950), (4, 71266975), (5, 57013580), (10, 28506790), (13, 21928300), (17, 16768700), (20, 14253395), (25, 11402716), (26, 10964150), (34, 8384350), (50, 5701358), (52, 5482075), (65, 4385660), (68, 4192175), (85, 3353740), (100, 2850679), (130, 2192830), (170, 1676870), (221, 1289900), (260, 1096415), (325, 877132), (340, 838435), (425, 670748), (442, 644950), (650, 438566), (850, 335374), (884, 322475), (1105, 257980), (1300, 219283), (1700, 167687), (2210, 128990), (4420, 64495), (5525, 51596), (11050, 25798), (12899, 22100)]