400890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 1161216

約数和(自身を除く): 760326

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 83, 105, 115, 138, 161, 166, 210, 230, 249, 322, 345, 415, 483, 498, 581, 690, 805, 830, 966, 1162, 1245, 1610, 1743, 1909, 2415, 2490, 2905, 3486, 3818, 4830, 5727, 5810, 8715, 9545, 11454, 13363, 17430, 19090, 26726, 28635, 40089, 57270, 66815, 80178, 133630, 200445, 400890]

約数ペア:

[(1, 400890), (2, 200445), (3, 133630), (5, 80178), (6, 66815), (7, 57270), (10, 40089), (14, 28635), (15, 26726), (21, 19090), (23, 17430), (30, 13363), (35, 11454), (42, 9545), (46, 8715), (69, 5810), (70, 5727), (83, 4830), (105, 3818), (115, 3486), (138, 2905), (161, 2490), (166, 2415), (210, 1909), (230, 1743), (249, 1610), (322, 1245), (345, 1162), (415, 966), (483, 830), (498, 805), (581, 690)]