289576890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1269

約数の個数: 128

約数和(自身を含む): 825292800

約数和(自身を除く): 535715910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 31, 45, 54, 58, 62, 87, 90, 93, 135, 145, 155, 174, 186, 261, 270, 279, 290, 310, 435, 465, 522, 558, 783, 837, 870, 899, 930, 1193, 1305, 1395, 1566, 1674, 1798, 2386, 2610, 2697, 2790, 3579, 3915, 4185, 4495, 5394, 5965, 7158, 7830, 8091, 8370, 8990, 10737, 11930, 13485, 16182, 17895, 21474, 24273, 26970, 32211, 34597, 35790, 36983, 40455, 48546, 53685, 64422, 69194, 73966, 80910, 103791, 107370, 110949, 121365, 161055, 172985, 184915, 207582, 221898, 242730, 311373, 322110, 332847, 345970, 369830, 518955, 554745, 622746, 665694, 934119, 998541, 1037910, 1072507, 1109490, 1556865, 1664235, 1868238, 1997082, 2145014, 3113730, 3217521, 3328470, 4670595, 4992705, 5362535, 6435042, 9341190, 9652563, 9985410, 10725070, 16087605, 19305126, 28957689, 32175210, 48262815, 57915378, 96525630, 144788445, 289576890]

約数ペア:

[(1, 289576890), (2, 144788445), (3, 96525630), (5, 57915378), (6, 48262815), (9, 32175210), (10, 28957689), (15, 19305126), (18, 16087605), (27, 10725070), (29, 9985410), (30, 9652563), (31, 9341190), (45, 6435042), (54, 5362535), (58, 4992705), (62, 4670595), (87, 3328470), (90, 3217521), (93, 3113730), (135, 2145014), (145, 1997082), (155, 1868238), (174, 1664235), (186, 1556865), (261, 1109490), (270, 1072507), (279, 1037910), (290, 998541), (310, 934119), (435, 665694), (465, 622746), (522, 554745), (558, 518955), (783, 369830), (837, 345970), (870, 332847), (899, 322110), (930, 311373), (1193, 242730), (1305, 221898), (1395, 207582), (1566, 184915), (1674, 172985), (1798, 161055), (2386, 121365), (2610, 110949), (2697, 107370), (2790, 103791), (3579, 80910), (3915, 73966), (4185, 69194), (4495, 64422), (5394, 53685), (5965, 48546), (7158, 40455), (7830, 36983), (8091, 35790), (8370, 34597), (8990, 32211), (10737, 26970), (11930, 24273), (13485, 21474), (16182, 17895)]