217698520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10211}}^1$

素因数の和:10276

約数の個数: 64

約数和(自身を含む): 540419040

約数和(自身を除く): 322720520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10211, 10660, 20422, 21320, 40844, 51055, 81688, 102110, 132743, 204220, 265486, 408440, 418651, 530972, 663715, 837302, 1061944, 1327430, 1674604, 2093255, 2654860, 3349208, 4186510, 5309720, 5442463, 8373020, 10884926, 16746040, 21769852, 27212315, 43539704, 54424630, 108849260, 217698520]

約数ペア:

[(1, 217698520), (2, 108849260), (4, 54424630), (5, 43539704), (8, 27212315), (10, 21769852), (13, 16746040), (20, 10884926), (26, 8373020), (40, 5442463), (41, 5309720), (52, 4186510), (65, 3349208), (82, 2654860), (104, 2093255), (130, 1674604), (164, 1327430), (205, 1061944), (260, 837302), (328, 663715), (410, 530972), (520, 418651), (533, 408440), (820, 265486), (1066, 204220), (1640, 132743), (2132, 102110), (2665, 81688), (4264, 51055), (5330, 40844), (10211, 21320), (10660, 20422)]