1991485.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 174960000

約数和(自身を除く): 87510790

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 59, 95, 118, 145, 190, 269, 290, 295, 538, 551, 590, 1102, 1121, 1345, 1711, 2242, 2690, 2755, 3422, 5111, 5510, 5605, 7801, 8555, 10222, 11210, 15602, 15871, 17110, 25555, 31742, 32509, 39005, 51110, 65018, 78010, 79355, 148219, 158710, 162545, 296438, 301549, 325090, 460259, 603098, 741095, 920518, 1482190, 1507745, 2301295, 3015490, 4602590, 8744921, 17489842, 43724605, 87449210]

約数ペア:

[(1, 87449210), (2, 43724605), (5, 17489842), (10, 8744921), (19, 4602590), (29, 3015490), (38, 2301295), (58, 1507745), (59, 1482190), (95, 920518), (118, 741095), (145, 603098), (190, 460259), (269, 325090), (290, 301549), (295, 296438), (538, 162545), (551, 158710), (590, 148219), (1102, 79355), (1121, 78010), (1345, 65018), (1711, 51110), (2242, 39005), (2690, 32509), (2755, 31742), (3422, 25555), (5111, 17110), (5510, 15871), (5605, 15602), (7801, 11210), (8555, 10222)]