199391830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 416544768

約数和(自身を除く): 217152938

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 53, 55, 106, 110, 115, 230, 253, 265, 506, 530, 583, 1166, 1219, 1265, 1487, 2438, 2530, 2915, 2974, 5830, 6095, 7435, 12190, 13409, 14870, 16357, 26818, 32714, 34201, 67045, 68402, 78811, 81785, 134090, 157622, 163570, 171005, 342010, 376211, 394055, 752422, 788110, 866921, 1733842, 1812653, 1881055, 3625306, 3762110, 4334605, 8669210, 9063265, 18126530, 19939183, 39878366, 99695915, 199391830]

約数ペア:

[(1, 199391830), (2, 99695915), (5, 39878366), (10, 19939183), (11, 18126530), (22, 9063265), (23, 8669210), (46, 4334605), (53, 3762110), (55, 3625306), (106, 1881055), (110, 1812653), (115, 1733842), (230, 866921), (253, 788110), (265, 752422), (506, 394055), (530, 376211), (583, 342010), (1166, 171005), (1219, 163570), (1265, 157622), (1487, 134090), (2438, 81785), (2530, 78811), (2915, 68402), (2974, 67045), (5830, 34201), (6095, 32714), (7435, 26818), (12190, 16357), (13409, 14870)]