42388990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 50923010

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 179, 199, 238, 358, 398, 595, 895, 995, 1190, 1253, 1393, 1790, 1990, 2506, 2786, 3043, 3383, 6086, 6265, 6766, 6965, 12530, 13930, 15215, 16915, 21301, 23681, 30430, 33830, 35621, 42602, 47362, 71242, 106505, 118405, 178105, 213010, 236810, 249347, 356210, 498694, 605557, 1211114, 1246735, 2493470, 3027785, 4238899, 6055570, 8477798, 21194495, 42388990]

約数ペア:

[(1, 42388990), (2, 21194495), (5, 8477798), (7, 6055570), (10, 4238899), (14, 3027785), (17, 2493470), (34, 1246735), (35, 1211114), (70, 605557), (85, 498694), (119, 356210), (170, 249347), (179, 236810), (199, 213010), (238, 178105), (358, 118405), (398, 106505), (595, 71242), (895, 47362), (995, 42602), (1190, 35621), (1253, 33830), (1393, 30430), (1790, 23681), (1990, 21301), (2506, 16915), (2786, 15215), (3043, 13930), (3383, 12530), (6086, 6965), (6265, 6766)]