157581128020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{157019}}^1$

素因数の和:157205

約数の個数: 72

約数和(自身を含む): 351768765600

約数和(自身を除く): 194187637580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 361, 380, 556, 695, 722, 1390, 1444, 1805, 2641, 2780, 3610, 5282, 7220, 10564, 13205, 26410, 50179, 52820, 100358, 157019, 200716, 250895, 314038, 501790, 628076, 785095, 1003580, 1570190, 2983361, 3140380, 5966722, 11933444, 14916805, 21825641, 29833610, 43651282, 56683859, 59667220, 87302564, 109128205, 113367718, 218256410, 226735436, 283419295, 414687179, 436512820, 566838590, 829374358, 1133677180, 1658748716, 2073435895, 4146871790, 7879056401, 8293743580, 15758112802, 31516225604, 39395282005, 78790564010, 157581128020]

約数ペア:

[(1, 157581128020), (2, 78790564010), (4, 39395282005), (5, 31516225604), (10, 15758112802), (19, 8293743580), (20, 7879056401), (38, 4146871790), (76, 2073435895), (95, 1658748716), (139, 1133677180), (190, 829374358), (278, 566838590), (361, 436512820), (380, 414687179), (556, 283419295), (695, 226735436), (722, 218256410), (1390, 113367718), (1444, 109128205), (1805, 87302564), (2641, 59667220), (2780, 56683859), (3610, 43651282), (5282, 29833610), (7220, 21825641), (10564, 14916805), (13205, 11933444), (26410, 5966722), (50179, 3140380), (52820, 2983361), (100358, 1570190), (157019, 1003580), (200716, 785095), (250895, 628076), (314038, 501790)]