2002440970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{947}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 3931545600

約数和(自身を除く): 1929104630

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 359, 589, 718, 947, 1178, 1795, 1894, 2945, 3590, 4735, 5890, 6821, 9470, 11129, 13642, 17993, 22258, 29357, 34105, 35986, 55645, 58714, 68210, 89965, 111290, 146785, 179930, 211451, 293570, 339973, 422902, 557783, 679946, 1057255, 1115566, 1699865, 2114510, 2788915, 3399730, 5577830, 6459487, 10539163, 12918974, 21078326, 32297435, 52695815, 64594870, 105391630, 200244097, 400488194, 1001220485, 2002440970]

約数ペア:

[(1, 2002440970), (2, 1001220485), (5, 400488194), (10, 200244097), (19, 105391630), (31, 64594870), (38, 52695815), (62, 32297435), (95, 21078326), (155, 12918974), (190, 10539163), (310, 6459487), (359, 5577830), (589, 3399730), (718, 2788915), (947, 2114510), (1178, 1699865), (1795, 1115566), (1894, 1057255), (2945, 679946), (3590, 557783), (4735, 422902), (5890, 339973), (6821, 293570), (9470, 211451), (11129, 179930), (13642, 146785), (17993, 111290), (22258, 89965), (29357, 68210), (34105, 58714), (35986, 55645)]