2221622140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 4940974080

約数和(自身を除く): 2719351940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 137, 145, 146, 274, 290, 292, 365, 383, 548, 580, 685, 730, 766, 1370, 1460, 1532, 1915, 2117, 2740, 3830, 3973, 4234, 7660, 7946, 8468, 10001, 10585, 11107, 15892, 19865, 20002, 21170, 22214, 27959, 39730, 40004, 42340, 44428, 50005, 52471, 55535, 55918, 79460, 100010, 104942, 111070, 111836, 139795, 200020, 209884, 222140, 262355, 279590, 290029, 524710, 559180, 580058, 810811, 1049420, 1160116, 1450145, 1521659, 1621622, 2900290, 3043318, 3243244, 3830383, 4054055, 5800580, 6086636, 7608295, 7660766, 8108110, 15216590, 15321532, 16216220, 19151915, 30433180, 38303830, 76607660, 111081107, 222162214, 444324428, 555405535, 1110811070, 2221622140]

約数ペア:

[(1, 2221622140), (2, 1110811070), (4, 555405535), (5, 444324428), (10, 222162214), (20, 111081107), (29, 76607660), (58, 38303830), (73, 30433180), (116, 19151915), (137, 16216220), (145, 15321532), (146, 15216590), (274, 8108110), (290, 7660766), (292, 7608295), (365, 6086636), (383, 5800580), (548, 4054055), (580, 3830383), (685, 3243244), (730, 3043318), (766, 2900290), (1370, 1621622), (1460, 1521659), (1532, 1450145), (1915, 1160116), (2117, 1049420), (2740, 810811), (3830, 580058), (3973, 559180), (4234, 524710), (7660, 290029), (7946, 279590), (8468, 262355), (10001, 222140), (10585, 209884), (11107, 200020), (15892, 139795), (19865, 111836), (20002, 111070), (21170, 104942), (22214, 100010), (27959, 79460), (39730, 55918), (40004, 55535), (42340, 52471), (44428, 50005)]