320531900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{683}}^1$

素因数の和:748

約数の個数: 108

約数和(自身を含む): 791714952

約数和(自身を除く): 471183052

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 361, 380, 475, 494, 650, 683, 722, 950, 988, 1235, 1300, 1366, 1444, 1805, 1900, 2470, 2732, 3415, 3610, 4693, 4940, 6175, 6830, 7220, 8879, 9025, 9386, 12350, 12977, 13660, 17075, 17758, 18050, 18772, 23465, 24700, 25954, 34150, 35516, 36100, 44395, 46930, 51908, 64885, 68300, 88790, 93860, 117325, 129770, 168701, 177580, 221975, 234650, 246563, 259540, 324425, 337402, 443950, 469300, 493126, 648850, 674804, 843505, 887900, 986252, 1232815, 1297700, 1687010, 2465630, 3205319, 3374020, 4217525, 4931260, 6164075, 6410638, 8435050, 12328150, 12821276, 16026595, 16870100, 24656300, 32053190, 64106380, 80132975, 160265950, 320531900]

約数ペア:

[(1, 320531900), (2, 160265950), (4, 80132975), (5, 64106380), (10, 32053190), (13, 24656300), (19, 16870100), (20, 16026595), (25, 12821276), (26, 12328150), (38, 8435050), (50, 6410638), (52, 6164075), (65, 4931260), (76, 4217525), (95, 3374020), (100, 3205319), (130, 2465630), (190, 1687010), (247, 1297700), (260, 1232815), (325, 986252), (361, 887900), (380, 843505), (475, 674804), (494, 648850), (650, 493126), (683, 469300), (722, 443950), (950, 337402), (988, 324425), (1235, 259540), (1300, 246563), (1366, 234650), (1444, 221975), (1805, 177580), (1900, 168701), (2470, 129770), (2732, 117325), (3415, 93860), (3610, 88790), (4693, 68300), (4940, 64885), (6175, 51908), (6830, 46930), (7220, 44395), (8879, 36100), (9025, 35516), (9386, 34150), (12350, 25954), (12977, 24700), (13660, 23465), (17075, 18772), (17758, 18050)]