197061990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 488581632

約数和(自身を除く): 291519642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 131, 205, 246, 262, 393, 410, 615, 655, 786, 1223, 1230, 1310, 1965, 2446, 3669, 3930, 5371, 6115, 7338, 10742, 12230, 16113, 18345, 26855, 32226, 36690, 50143, 53710, 80565, 100286, 150429, 160213, 161130, 250715, 300858, 320426, 480639, 501430, 752145, 801065, 961278, 1504290, 1602130, 2403195, 4806390, 6568733, 13137466, 19706199, 32843665, 39412398, 65687330, 98530995, 197061990]

約数ペア:

[(1, 197061990), (2, 98530995), (3, 65687330), (5, 39412398), (6, 32843665), (10, 19706199), (15, 13137466), (30, 6568733), (41, 4806390), (82, 2403195), (123, 1602130), (131, 1504290), (205, 961278), (246, 801065), (262, 752145), (393, 501430), (410, 480639), (615, 320426), (655, 300858), (786, 250715), (1223, 161130), (1230, 160213), (1310, 150429), (1965, 100286), (2446, 80565), (3669, 53710), (3930, 50143), (5371, 36690), (6115, 32226), (7338, 26855), (10742, 18345), (12230, 16113)]