208190440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{593}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 479856960

約数和(自身を除く): 271666520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 131, 134, 262, 268, 335, 524, 536, 593, 655, 670, 1048, 1186, 1310, 1340, 2372, 2620, 2680, 2965, 4744, 5240, 5930, 8777, 11860, 17554, 23720, 35108, 39731, 43885, 70216, 77683, 79462, 87770, 155366, 158924, 175540, 198655, 310732, 317848, 351080, 388415, 397310, 621464, 776830, 794620, 1553660, 1589240, 3107320, 5204761, 10409522, 20819044, 26023805, 41638088, 52047610, 104095220, 208190440]

約数ペア:

[(1, 208190440), (2, 104095220), (4, 52047610), (5, 41638088), (8, 26023805), (10, 20819044), (20, 10409522), (40, 5204761), (67, 3107320), (131, 1589240), (134, 1553660), (262, 794620), (268, 776830), (335, 621464), (524, 397310), (536, 388415), (593, 351080), (655, 317848), (670, 310732), (1048, 198655), (1186, 175540), (1310, 158924), (1340, 155366), (2372, 87770), (2620, 79462), (2680, 77683), (2965, 70216), (4744, 43885), (5240, 39731), (5930, 35108), (8777, 23720), (11860, 17554)]