3894111940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{249943}}^1$

素因数の和:250012

約数の個数: 48

約数和(自身を含む): 8818024320

約数和(自身を除く): 4923912380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 249943, 499886, 999772, 1249715, 2499430, 4748917, 4998860, 9497834, 10247663, 18995668, 20495326, 23744585, 40990652, 47489170, 51238315, 94978340, 102476630, 194705597, 204953260, 389411194, 778822388, 973527985, 1947055970, 3894111940]

約数ペア:

[(1, 3894111940), (2, 1947055970), (4, 973527985), (5, 778822388), (10, 389411194), (19, 204953260), (20, 194705597), (38, 102476630), (41, 94978340), (76, 51238315), (82, 47489170), (95, 40990652), (164, 23744585), (190, 20495326), (205, 18995668), (380, 10247663), (410, 9497834), (779, 4998860), (820, 4748917), (1558, 2499430), (3116, 1249715), (3895, 999772), (7790, 499886), (15580, 249943)]