87239260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 198552816

約数和(自身を除く): 111313556

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 281, 361, 380, 430, 562, 722, 817, 860, 1124, 1405, 1444, 1634, 1805, 2810, 3268, 3610, 4085, 5339, 5620, 7220, 8170, 10678, 12083, 15523, 16340, 21356, 24166, 26695, 31046, 48332, 53390, 60415, 62092, 77615, 101441, 106780, 120830, 155230, 202882, 229577, 241660, 310460, 405764, 459154, 507205, 918308, 1014410, 1147885, 2028820, 2295770, 4361963, 4591540, 8723926, 17447852, 21809815, 43619630, 87239260]

約数ペア:

[(1, 87239260), (2, 43619630), (4, 21809815), (5, 17447852), (10, 8723926), (19, 4591540), (20, 4361963), (38, 2295770), (43, 2028820), (76, 1147885), (86, 1014410), (95, 918308), (172, 507205), (190, 459154), (215, 405764), (281, 310460), (361, 241660), (380, 229577), (430, 202882), (562, 155230), (722, 120830), (817, 106780), (860, 101441), (1124, 77615), (1405, 62092), (1444, 60415), (1634, 53390), (1805, 48332), (2810, 31046), (3268, 26695), (3610, 24166), (4085, 21356), (5339, 16340), (5620, 15523), (7220, 12083), (8170, 10678)]