219060880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4649}}^1$

素因数の和:4712

約数の個数: 80

約数和(自身を含む): 553536000

約数和(自身を除く): 334475120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4649, 4712, 5890, 9298, 9424, 11780, 18596, 23245, 23560, 37192, 46490, 47120, 74384, 88331, 92980, 144119, 176662, 185960, 288238, 353324, 371920, 441655, 576476, 706648, 720595, 883310, 1152952, 1413296, 1441190, 1766620, 2305904, 2738261, 2882380, 3533240, 5476522, 5764760, 7066480, 10953044, 11529520, 13691305, 21906088, 27382610, 43812176, 54765220, 109530440, 219060880]

約数ペア:

[(1, 219060880), (2, 109530440), (4, 54765220), (5, 43812176), (8, 27382610), (10, 21906088), (16, 13691305), (19, 11529520), (20, 10953044), (31, 7066480), (38, 5764760), (40, 5476522), (62, 3533240), (76, 2882380), (80, 2738261), (95, 2305904), (124, 1766620), (152, 1441190), (155, 1413296), (190, 1152952), (248, 883310), (304, 720595), (310, 706648), (380, 576476), (496, 441655), (589, 371920), (620, 353324), (760, 288238), (1178, 185960), (1240, 176662), (1520, 144119), (2356, 92980), (2480, 88331), (2945, 74384), (4649, 47120), (4712, 46490), (5890, 37192), (9298, 23560), (9424, 23245), (11780, 18596)]