28200760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 78796800

約数和(自身を除く): 50596040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 92, 115, 116, 140, 145, 151, 161, 184, 203, 230, 232, 280, 290, 302, 322, 406, 460, 580, 604, 644, 667, 755, 805, 812, 920, 1015, 1057, 1160, 1208, 1288, 1334, 1510, 1610, 1624, 2030, 2114, 2668, 3020, 3220, 3335, 3473, 4060, 4228, 4379, 4669, 5285, 5336, 6040, 6440, 6670, 6946, 8120, 8456, 8758, 9338, 10570, 13340, 13892, 17365, 17516, 18676, 21140, 21895, 23345, 24311, 26680, 27784, 30653, 34730, 35032, 37352, 42280, 43790, 46690, 48622, 61306, 69460, 87580, 93380, 97244, 100717, 121555, 122612, 138920, 153265, 175160, 186760, 194488, 201434, 243110, 245224, 306530, 402868, 486220, 503585, 613060, 705019, 805736, 972440, 1007170, 1226120, 1410038, 2014340, 2820076, 3525095, 4028680, 5640152, 7050190, 14100380, 28200760]

約数ペア:

[(1, 28200760), (2, 14100380), (4, 7050190), (5, 5640152), (7, 4028680), (8, 3525095), (10, 2820076), (14, 2014340), (20, 1410038), (23, 1226120), (28, 1007170), (29, 972440), (35, 805736), (40, 705019), (46, 613060), (56, 503585), (58, 486220), (70, 402868), (92, 306530), (115, 245224), (116, 243110), (140, 201434), (145, 194488), (151, 186760), (161, 175160), (184, 153265), (203, 138920), (230, 122612), (232, 121555), (280, 100717), (290, 97244), (302, 93380), (322, 87580), (406, 69460), (460, 61306), (580, 48622), (604, 46690), (644, 43790), (667, 42280), (755, 37352), (805, 35032), (812, 34730), (920, 30653), (1015, 27784), (1057, 26680), (1160, 24311), (1208, 23345), (1288, 21895), (1334, 21140), (1510, 18676), (1610, 17516), (1624, 17365), (2030, 13892), (2114, 13340), (2668, 10570), (3020, 9338), (3220, 8758), (3335, 8456), (3473, 8120), (4060, 6946), (4228, 6670), (4379, 6440), (4669, 6040), (5285, 5336)]