8910890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 18475776

約数和(自身を除く): 9564886

約数列:

[1, 2, 5, 10, 17, 23, 34, 43, 46, 53, 85, 86, 106, 115, 170, 215, 230, 265, 391, 430, 530, 731, 782, 901, 989, 1219, 1462, 1802, 1955, 1978, 2279, 2438, 3655, 3910, 4505, 4558, 4945, 6095, 7310, 9010, 9890, 11395, 12190, 16813, 20723, 22790, 33626, 38743, 41446, 52417, 77486, 84065, 103615, 104834, 168130, 193715, 207230, 262085, 387430, 524170, 891089, 1782178, 4455445, 8910890]

約数ペア:

[(1, 8910890), (2, 4455445), (5, 1782178), (10, 891089), (17, 524170), (23, 387430), (34, 262085), (43, 207230), (46, 193715), (53, 168130), (85, 104834), (86, 103615), (106, 84065), (115, 77486), (170, 52417), (215, 41446), (230, 38743), (265, 33626), (391, 22790), (430, 20723), (530, 16813), (731, 12190), (782, 11395), (901, 9890), (989, 9010), (1219, 7310), (1462, 6095), (1802, 4945), (1955, 4558), (1978, 4505), (2279, 3910), (2438, 3655)]