819390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 2322432

約数和(自身を除く): 1503042

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 191, 195, 286, 330, 382, 390, 429, 573, 715, 858, 955, 1146, 1430, 1910, 2101, 2145, 2483, 2865, 4202, 4290, 4966, 5730, 6303, 7449, 10505, 12415, 12606, 14898, 21010, 24830, 27313, 31515, 37245, 54626, 63030, 74490, 81939, 136565, 163878, 273130, 409695, 819390]

約数ペア:

[(1, 819390), (2, 409695), (3, 273130), (5, 163878), (6, 136565), (10, 81939), (11, 74490), (13, 63030), (15, 54626), (22, 37245), (26, 31515), (30, 27313), (33, 24830), (39, 21010), (55, 14898), (65, 12606), (66, 12415), (78, 10505), (110, 7449), (130, 6303), (143, 5730), (165, 4966), (191, 4290), (195, 4202), (286, 2865), (330, 2483), (382, 2145), (390, 2101), (429, 1910), (573, 1430), (715, 1146), (858, 955)]