221490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 606528

約数和(自身を除く): 385038

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 107, 115, 138, 207, 214, 230, 321, 345, 414, 535, 642, 690, 963, 1035, 1070, 1605, 1926, 2070, 2461, 3210, 4815, 4922, 7383, 9630, 12305, 14766, 22149, 24610, 36915, 44298, 73830, 110745, 221490]

約数ペア:

[(1, 221490), (2, 110745), (3, 73830), (5, 44298), (6, 36915), (9, 24610), (10, 22149), (15, 14766), (18, 12305), (23, 9630), (30, 7383), (45, 4922), (46, 4815), (69, 3210), (90, 2461), (107, 2070), (115, 1926), (138, 1605), (207, 1070), (214, 1035), (230, 963), (321, 690), (345, 642), (414, 535)]