2912136460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{2707}}^1$

素因数の和:2903

約数の個数: 72

約数和(自身を含む): 6500012400

約数和(自身を除く): 3587875940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 361, 380, 596, 722, 745, 1444, 1490, 1805, 2707, 2831, 2980, 3610, 5414, 5662, 7220, 10828, 11324, 13535, 14155, 27070, 28310, 51433, 53789, 54140, 56620, 102866, 107578, 205732, 215156, 257165, 268945, 403343, 514330, 537890, 806686, 977227, 1028660, 1075780, 1613372, 1954454, 2016715, 3908908, 4033430, 4886135, 7663517, 8066860, 9772270, 15327034, 19544540, 30654068, 38317585, 76635170, 145606823, 153270340, 291213646, 582427292, 728034115, 1456068230, 2912136460]

約数ペア:

[(1, 2912136460), (2, 1456068230), (4, 728034115), (5, 582427292), (10, 291213646), (19, 153270340), (20, 145606823), (38, 76635170), (76, 38317585), (95, 30654068), (149, 19544540), (190, 15327034), (298, 9772270), (361, 8066860), (380, 7663517), (596, 4886135), (722, 4033430), (745, 3908908), (1444, 2016715), (1490, 1954454), (1805, 1613372), (2707, 1075780), (2831, 1028660), (2980, 977227), (3610, 806686), (5414, 537890), (5662, 514330), (7220, 403343), (10828, 268945), (11324, 257165), (13535, 215156), (14155, 205732), (27070, 107578), (28310, 102866), (51433, 56620), (53789, 54140)]