238927240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 550433520

約数和(自身を除く): 311506280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 181, 244, 305, 362, 488, 541, 610, 724, 905, 1082, 1220, 1448, 1810, 2164, 2440, 2705, 3620, 4328, 5410, 7240, 10820, 11041, 21640, 22082, 33001, 44164, 55205, 66002, 88328, 97921, 110410, 132004, 165005, 195842, 220820, 264008, 330010, 391684, 441640, 489605, 660020, 783368, 979210, 1320040, 1958420, 3916840, 5973181, 11946362, 23892724, 29865905, 47785448, 59731810, 119463620, 238927240]

約数ペア:

[(1, 238927240), (2, 119463620), (4, 59731810), (5, 47785448), (8, 29865905), (10, 23892724), (20, 11946362), (40, 5973181), (61, 3916840), (122, 1958420), (181, 1320040), (244, 979210), (305, 783368), (362, 660020), (488, 489605), (541, 441640), (610, 391684), (724, 330010), (905, 264008), (1082, 220820), (1220, 195842), (1448, 165005), (1810, 132004), (2164, 110410), (2440, 97921), (2705, 88328), (3620, 66002), (4328, 55205), (5410, 44164), (7240, 33001), (10820, 22082), (11041, 21640)]