309020104

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 629856000

約数和(自身を除く): 320835896

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 89, 106, 152, 178, 212, 356, 424, 431, 712, 862, 1007, 1691, 1724, 2014, 3382, 3448, 4028, 4717, 6764, 8056, 8189, 9434, 13528, 16378, 18868, 22843, 32756, 37736, 38359, 45686, 65512, 76718, 89623, 91372, 153436, 179246, 182744, 306872, 358492, 434017, 716984, 728821, 868034, 1457642, 1736068, 2033027, 2915284, 3472136, 4066054, 5830568, 8132108, 16264216, 38627513, 77255026, 154510052, 309020104]

約数ペア:

[(1, 309020104), (2, 154510052), (4, 77255026), (8, 38627513), (19, 16264216), (38, 8132108), (53, 5830568), (76, 4066054), (89, 3472136), (106, 2915284), (152, 2033027), (178, 1736068), (212, 1457642), (356, 868034), (424, 728821), (431, 716984), (712, 434017), (862, 358492), (1007, 306872), (1691, 182744), (1724, 179246), (2014, 153436), (3382, 91372), (3448, 89623), (4028, 76718), (4717, 65512), (6764, 45686), (8056, 38359), (8189, 37736), (9434, 32756), (13528, 22843), (16378, 18868)]