74578400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 200799648

約数和(自身を除く): 126221248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 71, 80, 100, 101, 104, 130, 142, 160, 200, 202, 208, 260, 284, 325, 355, 400, 404, 416, 505, 520, 568, 650, 710, 800, 808, 923, 1010, 1040, 1136, 1300, 1313, 1420, 1616, 1775, 1846, 2020, 2080, 2272, 2525, 2600, 2626, 2840, 3232, 3550, 3692, 4040, 4615, 5050, 5200, 5252, 5680, 6565, 7100, 7171, 7384, 8080, 9230, 10100, 10400, 10504, 11360, 13130, 14200, 14342, 14768, 16160, 18460, 20200, 21008, 23075, 26260, 28400, 28684, 29536, 32825, 35855, 36920, 40400, 42016, 46150, 52520, 56800, 57368, 65650, 71710, 73840, 80800, 92300, 93223, 105040, 114736, 131300, 143420, 147680, 179275, 184600, 186446, 210080, 229472, 262600, 286840, 358550, 369200, 372892, 466115, 525200, 573680, 717100, 738400, 745784, 932230, 1050400, 1147360, 1434200, 1491568, 1864460, 2330575, 2868400, 2983136, 3728920, 4661150, 5736800, 7457840, 9322300, 14915680, 18644600, 37289200, 74578400]

約数ペア:

[(1, 74578400), (2, 37289200), (4, 18644600), (5, 14915680), (8, 9322300), (10, 7457840), (13, 5736800), (16, 4661150), (20, 3728920), (25, 2983136), (26, 2868400), (32, 2330575), (40, 1864460), (50, 1491568), (52, 1434200), (65, 1147360), (71, 1050400), (80, 932230), (100, 745784), (101, 738400), (104, 717100), (130, 573680), (142, 525200), (160, 466115), (200, 372892), (202, 369200), (208, 358550), (260, 286840), (284, 262600), (325, 229472), (355, 210080), (400, 186446), (404, 184600), (416, 179275), (505, 147680), (520, 143420), (568, 131300), (650, 114736), (710, 105040), (800, 93223), (808, 92300), (923, 80800), (1010, 73840), (1040, 71710), (1136, 65650), (1300, 57368), (1313, 56800), (1420, 52520), (1616, 46150), (1775, 42016), (1846, 40400), (2020, 36920), (2080, 35855), (2272, 32825), (2525, 29536), (2600, 28684), (2626, 28400), (2840, 26260), (3232, 23075), (3550, 21008), (3692, 20200), (4040, 18460), (4615, 16160), (5050, 14768), (5200, 14342), (5252, 14200), (5680, 13130), (6565, 11360), (7100, 10504), (7171, 10400), (7384, 10100), (8080, 9230)]