28617420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1975

約数の個数: 96

約数和(自身を含む): 90881280

約数和(自身を除く): 62263860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 1931, 2470, 2964, 3705, 3862, 4940, 5793, 7410, 7724, 9655, 11586, 14820, 19310, 23172, 25103, 28965, 36689, 38620, 50206, 57930, 73378, 75309, 100412, 110067, 115860, 125515, 146756, 150618, 183445, 220134, 251030, 301236, 366890, 376545, 440268, 476957, 502060, 550335, 733780, 753090, 953914, 1100670, 1430871, 1506180, 1907828, 2201340, 2384785, 2861742, 4769570, 5723484, 7154355, 9539140, 14308710, 28617420]

約数ペア:

[(1, 28617420), (2, 14308710), (3, 9539140), (4, 7154355), (5, 5723484), (6, 4769570), (10, 2861742), (12, 2384785), (13, 2201340), (15, 1907828), (19, 1506180), (20, 1430871), (26, 1100670), (30, 953914), (38, 753090), (39, 733780), (52, 550335), (57, 502060), (60, 476957), (65, 440268), (76, 376545), (78, 366890), (95, 301236), (114, 251030), (130, 220134), (156, 183445), (190, 150618), (195, 146756), (228, 125515), (247, 115860), (260, 110067), (285, 100412), (380, 75309), (390, 73378), (494, 57930), (570, 50206), (741, 38620), (780, 36689), (988, 28965), (1140, 25103), (1235, 23172), (1482, 19310), (1931, 14820), (2470, 11586), (2964, 9655), (3705, 7724), (3862, 7410), (4940, 5793)]