28380300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 93327360

約数和(自身を除く): 64947060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 228, 247, 260, 285, 300, 325, 380, 383, 390, 475, 494, 570, 650, 741, 766, 780, 950, 975, 988, 1140, 1149, 1235, 1300, 1425, 1482, 1532, 1900, 1915, 1950, 2298, 2470, 2850, 2964, 3705, 3830, 3900, 4596, 4940, 4979, 5700, 5745, 6175, 7277, 7410, 7660, 9575, 9958, 11490, 12350, 14554, 14820, 14937, 18525, 19150, 19916, 21831, 22980, 24700, 24895, 28725, 29108, 29874, 36385, 37050, 38300, 43662, 49790, 57450, 59748, 72770, 74100, 74685, 87324, 94601, 99580, 109155, 114900, 124475, 145540, 149370, 181925, 189202, 218310, 248950, 283803, 298740, 363850, 373425, 378404, 436620, 473005, 497900, 545775, 567606, 727700, 746850, 946010, 1091550, 1135212, 1419015, 1493700, 1892020, 2183100, 2365025, 2838030, 4730050, 5676060, 7095075, 9460100, 14190150, 28380300]

約数ペア:

[(1, 28380300), (2, 14190150), (3, 9460100), (4, 7095075), (5, 5676060), (6, 4730050), (10, 2838030), (12, 2365025), (13, 2183100), (15, 1892020), (19, 1493700), (20, 1419015), (25, 1135212), (26, 1091550), (30, 946010), (38, 746850), (39, 727700), (50, 567606), (52, 545775), (57, 497900), (60, 473005), (65, 436620), (75, 378404), (76, 373425), (78, 363850), (95, 298740), (100, 283803), (114, 248950), (130, 218310), (150, 189202), (156, 181925), (190, 149370), (195, 145540), (228, 124475), (247, 114900), (260, 109155), (285, 99580), (300, 94601), (325, 87324), (380, 74685), (383, 74100), (390, 72770), (475, 59748), (494, 57450), (570, 49790), (650, 43662), (741, 38300), (766, 37050), (780, 36385), (950, 29874), (975, 29108), (988, 28725), (1140, 24895), (1149, 24700), (1235, 22980), (1300, 21831), (1425, 19916), (1482, 19150), (1532, 18525), (1900, 14937), (1915, 14820), (1950, 14554), (2298, 12350), (2470, 11490), (2850, 9958), (2964, 9575), (3705, 7660), (3830, 7410), (3900, 7277), (4596, 6175), (4940, 5745), (4979, 5700)]