261566750

素因数分解:

$2^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 507057408

約数和(自身を除く): 245490658

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 113, 125, 197, 226, 235, 250, 394, 470, 565, 985, 1130, 1175, 1970, 2350, 2825, 4925, 5311, 5650, 5875, 9259, 9850, 10622, 11750, 14125, 18518, 22261, 24625, 26555, 28250, 44522, 46295, 49250, 53110, 92590, 111305, 132775, 222610, 231475, 265550, 462950, 556525, 663875, 1046267, 1113050, 1157375, 1327750, 2092534, 2314750, 2782625, 5231335, 5565250, 10462670, 26156675, 52313350, 130783375, 261566750]

約数ペア:

[(1, 261566750), (2, 130783375), (5, 52313350), (10, 26156675), (25, 10462670), (47, 5565250), (50, 5231335), (94, 2782625), (113, 2314750), (125, 2092534), (197, 1327750), (226, 1157375), (235, 1113050), (250, 1046267), (394, 663875), (470, 556525), (565, 462950), (985, 265550), (1130, 231475), (1175, 222610), (1970, 132775), (2350, 111305), (2825, 92590), (4925, 53110), (5311, 49250), (5650, 46295), (5875, 44522), (9259, 28250), (9850, 26555), (10622, 24625), (11750, 22261), (14125, 18518)]