219920630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 215535370

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 167, 190, 239, 290, 334, 478, 551, 835, 1102, 1195, 1670, 2390, 2755, 3173, 4541, 4843, 5510, 6346, 6931, 9082, 9686, 13862, 15865, 22705, 24215, 31730, 34655, 39913, 45410, 48430, 69310, 79826, 92017, 131689, 184034, 199565, 263378, 399130, 460085, 658445, 758347, 920170, 1157477, 1316890, 1516694, 2314954, 3791735, 5787385, 7583470, 11574770, 21992063, 43984126, 109960315, 219920630]

約数ペア:

[(1, 219920630), (2, 109960315), (5, 43984126), (10, 21992063), (19, 11574770), (29, 7583470), (38, 5787385), (58, 3791735), (95, 2314954), (145, 1516694), (167, 1316890), (190, 1157477), (239, 920170), (290, 758347), (334, 658445), (478, 460085), (551, 399130), (835, 263378), (1102, 199565), (1195, 184034), (1670, 131689), (2390, 92017), (2755, 79826), (3173, 69310), (4541, 48430), (4843, 45410), (5510, 39913), (6346, 34655), (6931, 31730), (9082, 24215), (9686, 22705), (13862, 15865)]