102678280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{809}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 244944000

約数和(自身を除く): 142265720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 668, 760, 809, 835, 1336, 1618, 1670, 3173, 3236, 3340, 4045, 6346, 6472, 6680, 8090, 12692, 15371, 15865, 16180, 25384, 30742, 31730, 32360, 61484, 63460, 76855, 122968, 126920, 135103, 153710, 270206, 307420, 540412, 614840, 675515, 1080824, 1351030, 2566957, 2702060, 5133914, 5404120, 10267828, 12834785, 20535656, 25669570, 51339140, 102678280]

約数ペア:

[(1, 102678280), (2, 51339140), (4, 25669570), (5, 20535656), (8, 12834785), (10, 10267828), (19, 5404120), (20, 5133914), (38, 2702060), (40, 2566957), (76, 1351030), (95, 1080824), (152, 675515), (167, 614840), (190, 540412), (334, 307420), (380, 270206), (668, 153710), (760, 135103), (809, 126920), (835, 122968), (1336, 76855), (1618, 63460), (1670, 61484), (3173, 32360), (3236, 31730), (3340, 30742), (4045, 25384), (6346, 16180), (6472, 15865), (6680, 15371), (8090, 12692)]