245573860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 642128256

約数和(自身を除く): 396554396

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 113, 133, 140, 172, 190, 215, 226, 266, 301, 361, 380, 430, 452, 532, 565, 602, 665, 722, 791, 817, 860, 1130, 1204, 1330, 1444, 1505, 1582, 1634, 1805, 2147, 2260, 2527, 2660, 3010, 3164, 3268, 3610, 3955, 4085, 4294, 4859, 5054, 5719, 6020, 7220, 7910, 8170, 8588, 9718, 10108, 10735, 11438, 12635, 15029, 15523, 15820, 16340, 19436, 21470, 22876, 24295, 25270, 28595, 30058, 31046, 34013, 40793, 42940, 48590, 50540, 57190, 60116, 62092, 68026, 75145, 77615, 81586, 92321, 97180, 108661, 114380, 136052, 150290, 155230, 163172, 170065, 184642, 203965, 217322, 285551, 300580, 310460, 340130, 369284, 407930, 434644, 461605, 543305, 571102, 646247, 680260, 815860, 923210, 1086610, 1142204, 1292494, 1427755, 1754099, 1846420, 2173220, 2584988, 2855510, 3231235, 3508198, 5711020, 6462470, 7016396, 8770495, 12278693, 12924940, 17540990, 24557386, 35081980, 49114772, 61393465, 122786930, 245573860]

約数ペア:

[(1, 245573860), (2, 122786930), (4, 61393465), (5, 49114772), (7, 35081980), (10, 24557386), (14, 17540990), (19, 12924940), (20, 12278693), (28, 8770495), (35, 7016396), (38, 6462470), (43, 5711020), (70, 3508198), (76, 3231235), (86, 2855510), (95, 2584988), (113, 2173220), (133, 1846420), (140, 1754099), (172, 1427755), (190, 1292494), (215, 1142204), (226, 1086610), (266, 923210), (301, 815860), (361, 680260), (380, 646247), (430, 571102), (452, 543305), (532, 461605), (565, 434644), (602, 407930), (665, 369284), (722, 340130), (791, 310460), (817, 300580), (860, 285551), (1130, 217322), (1204, 203965), (1330, 184642), (1444, 170065), (1505, 163172), (1582, 155230), (1634, 150290), (1805, 136052), (2147, 114380), (2260, 108661), (2527, 97180), (2660, 92321), (3010, 81586), (3164, 77615), (3268, 75145), (3610, 68026), (3955, 62092), (4085, 60116), (4294, 57190), (4859, 50540), (5054, 48590), (5719, 42940), (6020, 40793), (7220, 34013), (7910, 31046), (8170, 30058), (8588, 28595), (9718, 25270), (10108, 24295), (10735, 22876), (11438, 21470), (12635, 19436), (15029, 16340), (15523, 15820)]