201915868

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:840

約数の個数: 96

約数和(自身を含む): 476582400

約数和(自身を除く): 274666532

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 343, 374, 476, 539, 686, 748, 787, 833, 1078, 1309, 1372, 1574, 1666, 2156, 2618, 3148, 3332, 3773, 5236, 5509, 5831, 7546, 8657, 9163, 11018, 11662, 13379, 15092, 17314, 18326, 22036, 23324, 26758, 34628, 36652, 38563, 53516, 60599, 64141, 77126, 93653, 121198, 128282, 147169, 154252, 187306, 242396, 256564, 269941, 294338, 374612, 424193, 539882, 588676, 655571, 848386, 1030183, 1079764, 1311142, 1696772, 2060366, 2622284, 2969351, 4120732, 4588997, 5938702, 7211281, 9177994, 11877404, 14422562, 18355988, 28845124, 50478967, 100957934, 201915868]

約数ペア:

[(1, 201915868), (2, 100957934), (4, 50478967), (7, 28845124), (11, 18355988), (14, 14422562), (17, 11877404), (22, 9177994), (28, 7211281), (34, 5938702), (44, 4588997), (49, 4120732), (68, 2969351), (77, 2622284), (98, 2060366), (119, 1696772), (154, 1311142), (187, 1079764), (196, 1030183), (238, 848386), (308, 655571), (343, 588676), (374, 539882), (476, 424193), (539, 374612), (686, 294338), (748, 269941), (787, 256564), (833, 242396), (1078, 187306), (1309, 154252), (1372, 147169), (1574, 128282), (1666, 121198), (2156, 93653), (2618, 77126), (3148, 64141), (3332, 60599), (3773, 53516), (5236, 38563), (5509, 36652), (5831, 34628), (7546, 26758), (8657, 23324), (9163, 22036), (11018, 18326), (11662, 17314), (13379, 15092)]