251013490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 592220160

約数和(自身を除く): 341206670

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 67, 70, 91, 115, 130, 134, 161, 179, 182, 230, 299, 322, 335, 358, 455, 469, 598, 670, 805, 871, 895, 910, 938, 1253, 1495, 1541, 1610, 1742, 1790, 2093, 2327, 2345, 2506, 2990, 3082, 4117, 4186, 4355, 4654, 4690, 6097, 6265, 7705, 8234, 8710, 10465, 10787, 11635, 11993, 12194, 12530, 15410, 16289, 20033, 20585, 20930, 21574, 23270, 23986, 28819, 30485, 32578, 40066, 41170, 53521, 53935, 57638, 59965, 60970, 81445, 83951, 100165, 107042, 107870, 119930, 140231, 144095, 155909, 162890, 167902, 200330, 267605, 275839, 280462, 288190, 311818, 374647, 419755, 535210, 551678, 701155, 749294, 779545, 839510, 1091363, 1379195, 1402310, 1559090, 1873235, 1930873, 2182726, 2758390, 3585907, 3746470, 3861746, 5456815, 7171814, 9654365, 10913630, 17929535, 19308730, 25101349, 35859070, 50202698, 125506745, 251013490]

約数ペア:

[(1, 251013490), (2, 125506745), (5, 50202698), (7, 35859070), (10, 25101349), (13, 19308730), (14, 17929535), (23, 10913630), (26, 9654365), (35, 7171814), (46, 5456815), (65, 3861746), (67, 3746470), (70, 3585907), (91, 2758390), (115, 2182726), (130, 1930873), (134, 1873235), (161, 1559090), (179, 1402310), (182, 1379195), (230, 1091363), (299, 839510), (322, 779545), (335, 749294), (358, 701155), (455, 551678), (469, 535210), (598, 419755), (670, 374647), (805, 311818), (871, 288190), (895, 280462), (910, 275839), (938, 267605), (1253, 200330), (1495, 167902), (1541, 162890), (1610, 155909), (1742, 144095), (1790, 140231), (2093, 119930), (2327, 107870), (2345, 107042), (2506, 100165), (2990, 83951), (3082, 81445), (4117, 60970), (4186, 59965), (4355, 57638), (4654, 53935), (4690, 53521), (6097, 41170), (6265, 40066), (7705, 32578), (8234, 30485), (8710, 28819), (10465, 23986), (10787, 23270), (11635, 21574), (11993, 20930), (12194, 20585), (12530, 20033), (15410, 16289)]