56509420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 137415600

約数和(自身を除く): 80906180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 1229, 2090, 2299, 2420, 2458, 4180, 4598, 4916, 6145, 9196, 11495, 12290, 13519, 22990, 23351, 24580, 27038, 45980, 46702, 54076, 67595, 93404, 116755, 135190, 148709, 233510, 256861, 270380, 297418, 467020, 513722, 594836, 743545, 1027444, 1284305, 1487090, 2568610, 2825471, 2974180, 5137220, 5650942, 11301884, 14127355, 28254710, 56509420]

約数ペア:

[(1, 56509420), (2, 28254710), (4, 14127355), (5, 11301884), (10, 5650942), (11, 5137220), (19, 2974180), (20, 2825471), (22, 2568610), (38, 1487090), (44, 1284305), (55, 1027444), (76, 743545), (95, 594836), (110, 513722), (121, 467020), (190, 297418), (209, 270380), (220, 256861), (242, 233510), (380, 148709), (418, 135190), (484, 116755), (605, 93404), (836, 67595), (1045, 54076), (1210, 46702), (1229, 45980), (2090, 27038), (2299, 24580), (2420, 23351), (2458, 22990), (4180, 13519), (4598, 12290), (4916, 11495), (6145, 9196)]