90206870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 187488000

約数和(自身を除く): 97281130

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 59, 65, 95, 118, 130, 190, 247, 295, 494, 590, 619, 767, 1121, 1235, 1238, 1534, 2242, 2470, 3095, 3835, 5605, 6190, 7670, 8047, 11210, 11761, 14573, 16094, 23522, 29146, 36521, 40235, 58805, 72865, 73042, 80470, 117610, 145730, 152893, 182605, 305786, 365210, 474773, 693899, 764465, 949546, 1387798, 1528930, 2373865, 3469495, 4747730, 6938990, 9020687, 18041374, 45103435, 90206870]

約数ペア:

[(1, 90206870), (2, 45103435), (5, 18041374), (10, 9020687), (13, 6938990), (19, 4747730), (26, 3469495), (38, 2373865), (59, 1528930), (65, 1387798), (95, 949546), (118, 764465), (130, 693899), (190, 474773), (247, 365210), (295, 305786), (494, 182605), (590, 152893), (619, 145730), (767, 117610), (1121, 80470), (1235, 73042), (1238, 72865), (1534, 58805), (2242, 40235), (2470, 36521), (3095, 29146), (3835, 23522), (5605, 16094), (6190, 14573), (7670, 11761), (8047, 11210)]