8450890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 18869760

約数和(自身を除く): 10418870

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 46, 58, 70, 115, 145, 161, 181, 203, 230, 290, 322, 362, 406, 667, 805, 905, 1015, 1267, 1334, 1610, 1810, 2030, 2534, 3335, 4163, 4669, 5249, 6335, 6670, 8326, 9338, 10498, 12670, 20815, 23345, 26245, 29141, 36743, 41630, 46690, 52490, 58282, 73486, 120727, 145705, 183715, 241454, 291410, 367430, 603635, 845089, 1207270, 1690178, 4225445, 8450890]

約数ペア:

[(1, 8450890), (2, 4225445), (5, 1690178), (7, 1207270), (10, 845089), (14, 603635), (23, 367430), (29, 291410), (35, 241454), (46, 183715), (58, 145705), (70, 120727), (115, 73486), (145, 58282), (161, 52490), (181, 46690), (203, 41630), (230, 36743), (290, 29141), (322, 26245), (362, 23345), (406, 20815), (667, 12670), (805, 10498), (905, 9338), (1015, 8326), (1267, 6670), (1334, 6335), (1610, 5249), (1810, 4669), (2030, 4163), (2534, 3335)]