398455260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{433}}^1$

素因数の和:772

約数の個数: 144

約数和(自身を含む): 1304978976

約数和(自身を除く): 906523716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 313, 420, 433, 490, 588, 626, 735, 866, 939, 980, 1252, 1299, 1470, 1565, 1732, 1878, 2165, 2191, 2598, 2940, 3031, 3130, 3756, 4330, 4382, 4695, 5196, 6062, 6260, 6495, 6573, 8660, 8764, 9093, 9390, 10955, 12124, 12990, 13146, 15155, 15337, 18186, 18780, 21217, 21910, 25980, 26292, 30310, 30674, 32865, 36372, 42434, 43820, 45465, 46011, 60620, 61348, 63651, 65730, 76685, 84868, 90930, 92022, 106085, 127302, 131460, 135529, 153370, 181860, 184044, 212170, 230055, 254604, 271058, 306740, 318255, 406587, 424340, 460110, 542116, 636510, 677645, 813174, 920220, 948703, 1273020, 1355290, 1626348, 1897406, 2032935, 2710580, 2846109, 3794812, 4065870, 4743515, 5692218, 6640921, 8131740, 9487030, 11384436, 13281842, 14230545, 18974060, 19922763, 26563684, 28461090, 33204605, 39845526, 56922180, 66409210, 79691052, 99613815, 132818420, 199227630, 398455260]

約数ペア:

[(1, 398455260), (2, 199227630), (3, 132818420), (4, 99613815), (5, 79691052), (6, 66409210), (7, 56922180), (10, 39845526), (12, 33204605), (14, 28461090), (15, 26563684), (20, 19922763), (21, 18974060), (28, 14230545), (30, 13281842), (35, 11384436), (42, 9487030), (49, 8131740), (60, 6640921), (70, 5692218), (84, 4743515), (98, 4065870), (105, 3794812), (140, 2846109), (147, 2710580), (196, 2032935), (210, 1897406), (245, 1626348), (294, 1355290), (313, 1273020), (420, 948703), (433, 920220), (490, 813174), (588, 677645), (626, 636510), (735, 542116), (866, 460110), (939, 424340), (980, 406587), (1252, 318255), (1299, 306740), (1470, 271058), (1565, 254604), (1732, 230055), (1878, 212170), (2165, 184044), (2191, 181860), (2598, 153370), (2940, 135529), (3031, 131460), (3130, 127302), (3756, 106085), (4330, 92022), (4382, 90930), (4695, 84868), (5196, 76685), (6062, 65730), (6260, 63651), (6495, 61348), (6573, 60620), (8660, 46011), (8764, 45465), (9093, 43820), (9390, 42434), (10955, 36372), (12124, 32865), (12990, 30674), (13146, 30310), (15155, 26292), (15337, 25980), (18186, 21910), (18780, 21217)]