304050400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 774512928

約数和(自身を除く): 470462528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 71, 80, 100, 101, 106, 142, 160, 200, 202, 212, 265, 284, 355, 400, 404, 424, 505, 530, 568, 710, 800, 808, 848, 1010, 1060, 1136, 1325, 1420, 1616, 1696, 1775, 2020, 2120, 2272, 2525, 2650, 2840, 3232, 3550, 3763, 4040, 4240, 5050, 5300, 5353, 5680, 7100, 7171, 7526, 8080, 8480, 10100, 10600, 10706, 11360, 14200, 14342, 15052, 16160, 18815, 20200, 21200, 21412, 26765, 28400, 28684, 30104, 35855, 37630, 40400, 42400, 42824, 53530, 56800, 57368, 60208, 71710, 75260, 80800, 85648, 94075, 107060, 114736, 120416, 133825, 143420, 150520, 171296, 179275, 188150, 214120, 229472, 267650, 286840, 301040, 358550, 376300, 380063, 428240, 535300, 573680, 602080, 717100, 752600, 760126, 856480, 1070600, 1147360, 1434200, 1505200, 1520252, 1900315, 2141200, 2868400, 3010400, 3040504, 3800630, 4282400, 5736800, 6081008, 7601260, 9501575, 12162016, 15202520, 19003150, 30405040, 38006300, 60810080, 76012600, 152025200, 304050400]

約数ペア:

[(1, 304050400), (2, 152025200), (4, 76012600), (5, 60810080), (8, 38006300), (10, 30405040), (16, 19003150), (20, 15202520), (25, 12162016), (32, 9501575), (40, 7601260), (50, 6081008), (53, 5736800), (71, 4282400), (80, 3800630), (100, 3040504), (101, 3010400), (106, 2868400), (142, 2141200), (160, 1900315), (200, 1520252), (202, 1505200), (212, 1434200), (265, 1147360), (284, 1070600), (355, 856480), (400, 760126), (404, 752600), (424, 717100), (505, 602080), (530, 573680), (568, 535300), (710, 428240), (800, 380063), (808, 376300), (848, 358550), (1010, 301040), (1060, 286840), (1136, 267650), (1325, 229472), (1420, 214120), (1616, 188150), (1696, 179275), (1775, 171296), (2020, 150520), (2120, 143420), (2272, 133825), (2525, 120416), (2650, 114736), (2840, 107060), (3232, 94075), (3550, 85648), (3763, 80800), (4040, 75260), (4240, 71710), (5050, 60208), (5300, 57368), (5353, 56800), (5680, 53530), (7100, 42824), (7171, 42400), (7526, 40400), (8080, 37630), (8480, 35855), (10100, 30104), (10600, 28684), (10706, 28400), (11360, 26765), (14200, 21412), (14342, 21200), (15052, 20200), (16160, 18815)]