201865820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:567

約数の個数: 96

約数和(自身を含む): 488980800

約数和(自身を除く): 287114980

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 109, 130, 170, 218, 221, 260, 340, 419, 436, 442, 545, 838, 884, 1090, 1105, 1417, 1676, 1853, 2095, 2180, 2210, 2834, 3706, 4190, 4420, 5447, 5668, 7085, 7123, 7412, 8380, 9265, 10894, 14170, 14246, 18530, 21788, 24089, 27235, 28340, 28492, 35615, 37060, 45671, 48178, 54470, 71230, 91342, 92599, 96356, 108940, 120445, 142460, 182684, 185198, 228355, 240890, 370396, 456710, 462995, 481780, 593723, 776407, 913420, 925990, 1187446, 1552814, 1851980, 2374892, 2968615, 3105628, 3882035, 5937230, 7764070, 10093291, 11874460, 15528140, 20186582, 40373164, 50466455, 100932910, 201865820]

約数ペア:

[(1, 201865820), (2, 100932910), (4, 50466455), (5, 40373164), (10, 20186582), (13, 15528140), (17, 11874460), (20, 10093291), (26, 7764070), (34, 5937230), (52, 3882035), (65, 3105628), (68, 2968615), (85, 2374892), (109, 1851980), (130, 1552814), (170, 1187446), (218, 925990), (221, 913420), (260, 776407), (340, 593723), (419, 481780), (436, 462995), (442, 456710), (545, 370396), (838, 240890), (884, 228355), (1090, 185198), (1105, 182684), (1417, 142460), (1676, 120445), (1853, 108940), (2095, 96356), (2180, 92599), (2210, 91342), (2834, 71230), (3706, 54470), (4190, 48178), (4420, 45671), (5447, 37060), (5668, 35615), (7085, 28492), (7123, 28340), (7412, 27235), (8380, 24089), (9265, 21788), (10894, 18530), (14170, 14246)]