28650440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 84188160

約数和(自身を除く): 55537720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 463, 476, 520, 595, 680, 728, 884, 910, 926, 952, 1105, 1190, 1547, 1768, 1820, 1852, 2210, 2315, 2380, 3094, 3241, 3640, 3704, 4420, 4630, 4760, 6019, 6188, 6482, 7735, 7871, 8840, 9260, 12038, 12376, 12964, 15470, 15742, 16205, 18520, 24076, 25928, 30095, 30940, 31484, 32410, 39355, 42133, 48152, 55097, 60190, 61880, 62968, 64820, 78710, 84266, 102323, 110194, 120380, 129640, 157420, 168532, 204646, 210665, 220388, 240760, 275485, 314840, 337064, 409292, 421330, 440776, 511615, 550970, 716261, 818584, 842660, 1023230, 1101940, 1432522, 1685320, 2046460, 2203880, 2865044, 3581305, 4092920, 5730088, 7162610, 14325220, 28650440]

約数ペア:

[(1, 28650440), (2, 14325220), (4, 7162610), (5, 5730088), (7, 4092920), (8, 3581305), (10, 2865044), (13, 2203880), (14, 2046460), (17, 1685320), (20, 1432522), (26, 1101940), (28, 1023230), (34, 842660), (35, 818584), (40, 716261), (52, 550970), (56, 511615), (65, 440776), (68, 421330), (70, 409292), (85, 337064), (91, 314840), (104, 275485), (119, 240760), (130, 220388), (136, 210665), (140, 204646), (170, 168532), (182, 157420), (221, 129640), (238, 120380), (260, 110194), (280, 102323), (340, 84266), (364, 78710), (442, 64820), (455, 62968), (463, 61880), (476, 60190), (520, 55097), (595, 48152), (680, 42133), (728, 39355), (884, 32410), (910, 31484), (926, 30940), (952, 30095), (1105, 25928), (1190, 24076), (1547, 18520), (1768, 16205), (1820, 15742), (1852, 15470), (2210, 12964), (2315, 12376), (2380, 12038), (3094, 9260), (3241, 8840), (3640, 7871), (3704, 7735), (4420, 6482), (4630, 6188), (4760, 6019)]