191213960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 526176000

約数和(自身を除く): 334962040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 139, 140, 170, 238, 278, 280, 289, 340, 476, 556, 578, 595, 680, 695, 952, 973, 1112, 1156, 1190, 1390, 1445, 1946, 2023, 2312, 2363, 2380, 2780, 2890, 3892, 4046, 4726, 4760, 4865, 4913, 5560, 5780, 7784, 8092, 9452, 9730, 9826, 10115, 11560, 11815, 16184, 16541, 18904, 19460, 19652, 20230, 23630, 24565, 33082, 34391, 38920, 39304, 40171, 40460, 47260, 49130, 66164, 68782, 80342, 80920, 82705, 94520, 98260, 132328, 137564, 160684, 165410, 171955, 196520, 200855, 275128, 281197, 321368, 330820, 343910, 401710, 562394, 661640, 682907, 687820, 803420, 1124788, 1365814, 1375640, 1405985, 1606840, 2249576, 2731628, 2811970, 3414535, 4780349, 5463256, 5623940, 6829070, 9560698, 11247880, 13658140, 19121396, 23901745, 27316280, 38242792, 47803490, 95606980, 191213960]

約数ペア:

[(1, 191213960), (2, 95606980), (4, 47803490), (5, 38242792), (7, 27316280), (8, 23901745), (10, 19121396), (14, 13658140), (17, 11247880), (20, 9560698), (28, 6829070), (34, 5623940), (35, 5463256), (40, 4780349), (56, 3414535), (68, 2811970), (70, 2731628), (85, 2249576), (119, 1606840), (136, 1405985), (139, 1375640), (140, 1365814), (170, 1124788), (238, 803420), (278, 687820), (280, 682907), (289, 661640), (340, 562394), (476, 401710), (556, 343910), (578, 330820), (595, 321368), (680, 281197), (695, 275128), (952, 200855), (973, 196520), (1112, 171955), (1156, 165410), (1190, 160684), (1390, 137564), (1445, 132328), (1946, 98260), (2023, 94520), (2312, 82705), (2363, 80920), (2380, 80342), (2780, 68782), (2890, 66164), (3892, 49130), (4046, 47260), (4726, 40460), (4760, 40171), (4865, 39304), (4913, 38920), (5560, 34391), (5780, 33082), (7784, 24565), (8092, 23630), (9452, 20230), (9730, 19652), (9826, 19460), (10115, 18904), (11560, 16541), (11815, 16184)]