28303380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3209}}^1$

素因数の和:3238

約数の個数: 108

約数和(自身を含む): 99901620

約数和(自身を除く): 71598240

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3209, 4410, 6418, 8820, 9627, 12836, 16045, 19254, 22463, 28881, 32090, 38508, 44926, 48135, 57762, 64180, 67389, 89852, 96270, 112315, 115524, 134778, 144405, 157241, 192540, 202167, 224630, 269556, 288810, 314482, 336945, 404334, 449260, 471723, 577620, 628964, 673890, 786205, 808668, 943446, 1010835, 1347780, 1415169, 1572410, 1886892, 2021670, 2358615, 2830338, 3144820, 4043340, 4717230, 5660676, 7075845, 9434460, 14151690, 28303380]

約数ペア:

[(1, 28303380), (2, 14151690), (3, 9434460), (4, 7075845), (5, 5660676), (6, 4717230), (7, 4043340), (9, 3144820), (10, 2830338), (12, 2358615), (14, 2021670), (15, 1886892), (18, 1572410), (20, 1415169), (21, 1347780), (28, 1010835), (30, 943446), (35, 808668), (36, 786205), (42, 673890), (45, 628964), (49, 577620), (60, 471723), (63, 449260), (70, 404334), (84, 336945), (90, 314482), (98, 288810), (105, 269556), (126, 224630), (140, 202167), (147, 192540), (180, 157241), (196, 144405), (210, 134778), (245, 115524), (252, 112315), (294, 96270), (315, 89852), (420, 67389), (441, 64180), (490, 57762), (588, 48135), (630, 44926), (735, 38508), (882, 32090), (980, 28881), (1260, 22463), (1470, 19254), (1764, 16045), (2205, 12836), (2940, 9627), (3209, 8820), (4410, 6418)]