28292940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 94112928

約数和(自身を除く): 65819988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 107, 113, 117, 130, 156, 180, 195, 214, 226, 234, 260, 321, 339, 390, 428, 452, 468, 535, 565, 585, 642, 678, 780, 963, 1017, 1070, 1130, 1170, 1284, 1356, 1391, 1469, 1605, 1695, 1926, 2034, 2140, 2260, 2340, 2782, 2938, 3210, 3390, 3852, 4068, 4173, 4407, 4815, 5085, 5564, 5876, 6420, 6780, 6955, 7345, 8346, 8814, 9630, 10170, 12091, 12519, 13221, 13910, 14690, 16692, 17628, 19260, 20340, 20865, 22035, 24182, 25038, 26442, 27820, 29380, 36273, 41730, 44070, 48364, 50076, 52884, 60455, 62595, 66105, 72546, 83460, 88140, 108819, 120910, 125190, 132210, 145092, 157183, 181365, 217638, 241820, 250380, 264420, 314366, 362730, 435276, 471549, 544095, 628732, 725460, 785915, 943098, 1088190, 1414647, 1571830, 1886196, 2176380, 2357745, 2829294, 3143660, 4715490, 5658588, 7073235, 9430980, 14146470, 28292940]

約数ペア:

[(1, 28292940), (2, 14146470), (3, 9430980), (4, 7073235), (5, 5658588), (6, 4715490), (9, 3143660), (10, 2829294), (12, 2357745), (13, 2176380), (15, 1886196), (18, 1571830), (20, 1414647), (26, 1088190), (30, 943098), (36, 785915), (39, 725460), (45, 628732), (52, 544095), (60, 471549), (65, 435276), (78, 362730), (90, 314366), (107, 264420), (113, 250380), (117, 241820), (130, 217638), (156, 181365), (180, 157183), (195, 145092), (214, 132210), (226, 125190), (234, 120910), (260, 108819), (321, 88140), (339, 83460), (390, 72546), (428, 66105), (452, 62595), (468, 60455), (535, 52884), (565, 50076), (585, 48364), (642, 44070), (678, 41730), (780, 36273), (963, 29380), (1017, 27820), (1070, 26442), (1130, 25038), (1170, 24182), (1284, 22035), (1356, 20865), (1391, 20340), (1469, 19260), (1605, 17628), (1695, 16692), (1926, 14690), (2034, 13910), (2140, 13221), (2260, 12519), (2340, 12091), (2782, 10170), (2938, 9630), (3210, 8814), (3390, 8346), (3852, 7345), (4068, 6955), (4173, 6780), (4407, 6420), (4815, 5876), (5085, 5564)]