28111830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 71712000

約数和(自身を除く): 43600170

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 149, 190, 285, 298, 331, 447, 570, 662, 745, 894, 993, 1490, 1655, 1986, 2235, 2831, 3310, 4470, 4965, 5662, 6289, 8493, 9930, 12578, 14155, 16986, 18867, 28310, 31445, 37734, 42465, 49319, 62890, 84930, 94335, 98638, 147957, 188670, 246595, 295914, 493190, 739785, 937061, 1479570, 1874122, 2811183, 4685305, 5622366, 9370610, 14055915, 28111830]

約数ペア:

[(1, 28111830), (2, 14055915), (3, 9370610), (5, 5622366), (6, 4685305), (10, 2811183), (15, 1874122), (19, 1479570), (30, 937061), (38, 739785), (57, 493190), (95, 295914), (114, 246595), (149, 188670), (190, 147957), (285, 98638), (298, 94335), (331, 84930), (447, 62890), (570, 49319), (662, 42465), (745, 37734), (894, 31445), (993, 28310), (1490, 18867), (1655, 16986), (1986, 14155), (2235, 12578), (2831, 9930), (3310, 8493), (4470, 6289), (4965, 5662)]