1031471240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{3581}}^1$

素因数の和:3990

約数の個数: 64

約数和(自身を含む): 2450088000

約数和(自身を除く): 1418616760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 379, 380, 758, 760, 1516, 1895, 3032, 3581, 3790, 7162, 7201, 7580, 14324, 14402, 15160, 17905, 28648, 28804, 35810, 36005, 57608, 68039, 71620, 72010, 136078, 143240, 144020, 272156, 288040, 340195, 544312, 680390, 1357199, 1360780, 2714398, 2721560, 5428796, 6785995, 10857592, 13571990, 25786781, 27143980, 51573562, 54287960, 103147124, 128933905, 206294248, 257867810, 515735620, 1031471240]

約数ペア:

[(1, 1031471240), (2, 515735620), (4, 257867810), (5, 206294248), (8, 128933905), (10, 103147124), (19, 54287960), (20, 51573562), (38, 27143980), (40, 25786781), (76, 13571990), (95, 10857592), (152, 6785995), (190, 5428796), (379, 2721560), (380, 2714398), (758, 1360780), (760, 1357199), (1516, 680390), (1895, 544312), (3032, 340195), (3581, 288040), (3790, 272156), (7162, 144020), (7201, 143240), (7580, 136078), (14324, 72010), (14402, 71620), (15160, 68039), (17905, 57608), (28648, 36005), (28804, 35810)]