84890860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 199599120

約数和(自身を除く): 114708260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 773, 1156, 1292, 1445, 1546, 1615, 2890, 3092, 3230, 3865, 5491, 5780, 6460, 7730, 10982, 13141, 14687, 15460, 21964, 26282, 27455, 29374, 52564, 54910, 58748, 65705, 73435, 109820, 131410, 146870, 223397, 249679, 262820, 293740, 446794, 499358, 893588, 998716, 1116985, 1248395, 2233970, 2496790, 4244543, 4467940, 4993580, 8489086, 16978172, 21222715, 42445430, 84890860]

約数ペア:

[(1, 84890860), (2, 42445430), (4, 21222715), (5, 16978172), (10, 8489086), (17, 4993580), (19, 4467940), (20, 4244543), (34, 2496790), (38, 2233970), (68, 1248395), (76, 1116985), (85, 998716), (95, 893588), (170, 499358), (190, 446794), (289, 293740), (323, 262820), (340, 249679), (380, 223397), (578, 146870), (646, 131410), (773, 109820), (1156, 73435), (1292, 65705), (1445, 58748), (1546, 54910), (1615, 52564), (2890, 29374), (3092, 27455), (3230, 26282), (3865, 21964), (5491, 15460), (5780, 14687), (6460, 13141), (7730, 10982)]