28505910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 71584704

約数和(自身を除く): 43078794

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 61, 74, 111, 122, 183, 185, 222, 305, 366, 370, 421, 555, 610, 842, 915, 1110, 1263, 1830, 2105, 2257, 2526, 4210, 4514, 6315, 6771, 11285, 12630, 13542, 15577, 22570, 25681, 31154, 33855, 46731, 51362, 67710, 77043, 77885, 93462, 128405, 154086, 155770, 233655, 256810, 385215, 467310, 770430, 950197, 1900394, 2850591, 4750985, 5701182, 9501970, 14252955, 28505910]

約数ペア:

[(1, 28505910), (2, 14252955), (3, 9501970), (5, 5701182), (6, 4750985), (10, 2850591), (15, 1900394), (30, 950197), (37, 770430), (61, 467310), (74, 385215), (111, 256810), (122, 233655), (183, 155770), (185, 154086), (222, 128405), (305, 93462), (366, 77885), (370, 77043), (421, 67710), (555, 51362), (610, 46731), (842, 33855), (915, 31154), (1110, 25681), (1263, 22570), (1830, 15577), (2105, 13542), (2257, 12630), (2526, 11285), (4210, 6771), (4514, 6315)]