306648220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{13229}}^1$

素因数の和:13318

約数の個数: 48

約数和(自身を含む): 689018400

約数和(自身を除く): 382370180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 13229, 23180, 26458, 52916, 66145, 132290, 251351, 264580, 502702, 806969, 1005404, 1256755, 1613938, 2513510, 3227876, 4034845, 5027020, 8069690, 15332411, 16139380, 30664822, 61329644, 76662055, 153324110, 306648220]

約数ペア:

[(1, 306648220), (2, 153324110), (4, 76662055), (5, 61329644), (10, 30664822), (19, 16139380), (20, 15332411), (38, 8069690), (61, 5027020), (76, 4034845), (95, 3227876), (122, 2513510), (190, 1613938), (244, 1256755), (305, 1005404), (380, 806969), (610, 502702), (1159, 264580), (1220, 251351), (2318, 132290), (4636, 66145), (5795, 52916), (11590, 26458), (13229, 23180)]