490717290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1844

約数の個数: 128

約数和(自身を含む): 1422508032

約数和(自身を除く): 931790742

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 43, 62, 70, 86, 93, 105, 129, 155, 186, 210, 215, 217, 258, 301, 310, 430, 434, 465, 602, 645, 651, 903, 930, 1085, 1290, 1302, 1333, 1505, 1753, 1806, 2170, 2666, 3010, 3255, 3506, 3999, 4515, 5259, 6510, 6665, 7998, 8765, 9030, 9331, 10518, 12271, 13330, 17530, 18662, 19995, 24542, 26295, 27993, 36813, 39990, 46655, 52590, 54343, 55986, 61355, 73626, 75379, 93310, 108686, 122710, 139965, 150758, 163029, 184065, 226137, 271715, 279930, 326058, 368130, 376895, 380401, 452274, 527653, 543430, 753790, 760802, 815145, 1055306, 1130685, 1141203, 1582959, 1630290, 1902005, 2261370, 2282406, 2336749, 2638265, 3165918, 3804010, 4673498, 5276530, 5706015, 7010247, 7914795, 11412030, 11683745, 14020494, 15829590, 16357243, 23367490, 32714486, 35051235, 49071729, 70102470, 81786215, 98143458, 163572430, 245358645, 490717290]

約数ペア:

[(1, 490717290), (2, 245358645), (3, 163572430), (5, 98143458), (6, 81786215), (7, 70102470), (10, 49071729), (14, 35051235), (15, 32714486), (21, 23367490), (30, 16357243), (31, 15829590), (35, 14020494), (42, 11683745), (43, 11412030), (62, 7914795), (70, 7010247), (86, 5706015), (93, 5276530), (105, 4673498), (129, 3804010), (155, 3165918), (186, 2638265), (210, 2336749), (215, 2282406), (217, 2261370), (258, 1902005), (301, 1630290), (310, 1582959), (430, 1141203), (434, 1130685), (465, 1055306), (602, 815145), (645, 760802), (651, 753790), (903, 543430), (930, 527653), (1085, 452274), (1290, 380401), (1302, 376895), (1333, 368130), (1505, 326058), (1753, 279930), (1806, 271715), (2170, 226137), (2666, 184065), (3010, 163029), (3255, 150758), (3506, 139965), (3999, 122710), (4515, 108686), (5259, 93310), (6510, 75379), (6665, 73626), (7998, 61355), (8765, 55986), (9030, 54343), (9331, 52590), (10518, 46655), (12271, 39990), (13330, 36813), (17530, 27993), (18662, 26295), (19995, 24542)]