478555090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{619}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 981187200

約数和(自身を除く): 502632110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 313, 494, 619, 626, 1235, 1238, 1565, 2470, 3095, 3130, 4069, 5947, 6190, 8047, 8138, 11761, 11894, 16094, 20345, 23522, 29735, 40235, 40690, 58805, 59470, 77311, 80470, 117610, 152893, 154622, 193747, 305786, 386555, 387494, 764465, 773110, 968735, 1528930, 1937470, 2518711, 3681193, 5037422, 7362386, 12593555, 18405965, 25187110, 36811930, 47855509, 95711018, 239277545, 478555090]

約数ペア:

[(1, 478555090), (2, 239277545), (5, 95711018), (10, 47855509), (13, 36811930), (19, 25187110), (26, 18405965), (38, 12593555), (65, 7362386), (95, 5037422), (130, 3681193), (190, 2518711), (247, 1937470), (313, 1528930), (494, 968735), (619, 773110), (626, 764465), (1235, 387494), (1238, 386555), (1565, 305786), (2470, 193747), (3095, 154622), (3130, 152893), (4069, 117610), (5947, 80470), (6190, 77311), (8047, 59470), (8138, 58805), (11761, 40690), (11894, 40235), (16094, 29735), (20345, 23522)]