866089540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 1935601920

約数和(自身を除く): 1069512380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 361, 380, 556, 695, 722, 863, 1390, 1444, 1726, 1805, 2641, 2780, 3452, 3610, 4315, 5282, 7220, 8630, 10564, 13205, 16397, 17260, 26410, 32794, 50179, 52820, 65588, 81985, 100358, 119957, 163970, 200716, 239914, 250895, 311543, 327940, 479828, 501790, 599785, 623086, 1003580, 1199570, 1246172, 1557715, 2279183, 2399140, 3115430, 4558366, 6230860, 9116732, 11395915, 22791830, 43304477, 45583660, 86608954, 173217908, 216522385, 433044770, 866089540]

約数ペア:

[(1, 866089540), (2, 433044770), (4, 216522385), (5, 173217908), (10, 86608954), (19, 45583660), (20, 43304477), (38, 22791830), (76, 11395915), (95, 9116732), (139, 6230860), (190, 4558366), (278, 3115430), (361, 2399140), (380, 2279183), (556, 1557715), (695, 1246172), (722, 1199570), (863, 1003580), (1390, 623086), (1444, 599785), (1726, 501790), (1805, 479828), (2641, 327940), (2780, 311543), (3452, 250895), (3610, 239914), (4315, 200716), (5282, 163970), (7220, 119957), (8630, 100358), (10564, 81985), (13205, 65588), (16397, 52820), (17260, 50179), (26410, 32794)]