2040330010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:1015

約数の個数: 64

約数和(自身を含む): 3937248000

約数和(自身を除く): 1896917990

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 149, 190, 194, 298, 485, 743, 745, 970, 1486, 1490, 1843, 2831, 3686, 3715, 5662, 7430, 9215, 14117, 14155, 14453, 18430, 28234, 28310, 28906, 70585, 72071, 72265, 110707, 141170, 144142, 144530, 221414, 274607, 360355, 549214, 553535, 720710, 1107070, 1369349, 1373035, 2103433, 2738698, 2746070, 4206866, 6846745, 10517165, 10738579, 13693490, 21034330, 21477158, 53692895, 107385790, 204033001, 408066002, 1020165005, 2040330010]

約数ペア:

[(1, 2040330010), (2, 1020165005), (5, 408066002), (10, 204033001), (19, 107385790), (38, 53692895), (95, 21477158), (97, 21034330), (149, 13693490), (190, 10738579), (194, 10517165), (298, 6846745), (485, 4206866), (743, 2746070), (745, 2738698), (970, 2103433), (1486, 1373035), (1490, 1369349), (1843, 1107070), (2831, 720710), (3686, 553535), (3715, 549214), (5662, 360355), (7430, 274607), (9215, 221414), (14117, 144530), (14155, 144142), (14453, 141170), (18430, 110707), (28234, 72265), (28310, 72071), (28906, 70585)]