40197350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 84188808

約数和(自身を除く): 43991458

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 131, 170, 190, 262, 323, 361, 425, 475, 646, 655, 722, 850, 950, 1310, 1615, 1805, 2227, 2489, 3230, 3275, 3610, 4454, 4978, 6137, 6550, 8075, 9025, 11135, 12274, 12445, 16150, 18050, 22270, 24890, 30685, 42313, 47291, 55675, 61370, 62225, 84626, 94582, 111350, 124450, 153425, 211565, 236455, 306850, 423130, 472910, 803947, 1057825, 1182275, 1607894, 2115650, 2364550, 4019735, 8039470, 20098675, 40197350]

約数ペア:

[(1, 40197350), (2, 20098675), (5, 8039470), (10, 4019735), (17, 2364550), (19, 2115650), (25, 1607894), (34, 1182275), (38, 1057825), (50, 803947), (85, 472910), (95, 423130), (131, 306850), (170, 236455), (190, 211565), (262, 153425), (323, 124450), (361, 111350), (425, 94582), (475, 84626), (646, 62225), (655, 61370), (722, 55675), (850, 47291), (950, 42313), (1310, 30685), (1615, 24890), (1805, 22270), (2227, 18050), (2489, 16150), (3230, 12445), (3275, 12274), (3610, 11135), (4454, 9025), (4978, 8075), (6137, 6550)]