129731240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 309096000

約数和(自身を除く): 179364760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 422, 760, 809, 844, 1055, 1618, 1688, 2110, 3236, 4009, 4045, 4220, 6472, 8018, 8090, 8440, 15371, 16036, 16180, 20045, 30742, 32072, 32360, 40090, 61484, 76855, 80180, 122968, 153710, 160360, 170699, 307420, 341398, 614840, 682796, 853495, 1365592, 1706990, 3243281, 3413980, 6486562, 6827960, 12973124, 16216405, 25946248, 32432810, 64865620, 129731240]

約数ペア:

[(1, 129731240), (2, 64865620), (4, 32432810), (5, 25946248), (8, 16216405), (10, 12973124), (19, 6827960), (20, 6486562), (38, 3413980), (40, 3243281), (76, 1706990), (95, 1365592), (152, 853495), (190, 682796), (211, 614840), (380, 341398), (422, 307420), (760, 170699), (809, 160360), (844, 153710), (1055, 122968), (1618, 80180), (1688, 76855), (2110, 61484), (3236, 40090), (4009, 32360), (4045, 32072), (4220, 30742), (6472, 20045), (8018, 16180), (8090, 16036), (8440, 15371)]