18251596900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:694

約数の個数: 144

約数和(自身を含む): 41577338880

約数和(自身を除く): 23325741980

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 59, 82, 100, 118, 164, 197, 205, 236, 295, 383, 394, 410, 590, 766, 788, 820, 985, 1025, 1180, 1475, 1532, 1915, 1970, 2050, 2419, 2950, 3830, 3940, 4100, 4838, 4925, 5900, 7660, 8077, 9575, 9676, 9850, 11623, 12095, 15703, 16154, 19150, 19700, 22597, 23246, 24190, 31406, 32308, 38300, 40385, 45194, 46492, 48380, 58115, 60475, 62812, 75451, 78515, 80770, 90388, 112985, 116230, 120950, 150902, 157030, 161540, 201925, 225970, 232460, 241900, 290575, 301804, 314060, 377255, 392575, 403850, 451940, 476543, 564925, 581150, 754510, 785150, 807700, 926477, 953086, 1129850, 1162300, 1509020, 1570300, 1852954, 1886275, 1906172, 2259700, 2382715, 3093491, 3705908, 3772550, 4451609, 4632385, 4765430, 6186982, 7545100, 8903218, 9264770, 9530860, 11913575, 12373964, 15467455, 17806436, 18529540, 22258045, 23161925, 23827150, 30934910, 44516090, 46323850, 47654300, 61869820, 77337275, 89032180, 92647700, 111290225, 154674550, 182515969, 222580450, 309349100, 365031938, 445160900, 730063876, 912579845, 1825159690, 3650319380, 4562899225, 9125798450, 18251596900]

約数ペア:

[(1, 18251596900), (2, 9125798450), (4, 4562899225), (5, 3650319380), (10, 1825159690), (20, 912579845), (25, 730063876), (41, 445160900), (50, 365031938), (59, 309349100), (82, 222580450), (100, 182515969), (118, 154674550), (164, 111290225), (197, 92647700), (205, 89032180), (236, 77337275), (295, 61869820), (383, 47654300), (394, 46323850), (410, 44516090), (590, 30934910), (766, 23827150), (788, 23161925), (820, 22258045), (985, 18529540), (1025, 17806436), (1180, 15467455), (1475, 12373964), (1532, 11913575), (1915, 9530860), (1970, 9264770), (2050, 8903218), (2419, 7545100), (2950, 6186982), (3830, 4765430), (3940, 4632385), (4100, 4451609), (4838, 3772550), (4925, 3705908), (5900, 3093491), (7660, 2382715), (8077, 2259700), (9575, 1906172), (9676, 1886275), (9850, 1852954), (11623, 1570300), (12095, 1509020), (15703, 1162300), (16154, 1129850), (19150, 953086), (19700, 926477), (22597, 807700), (23246, 785150), (24190, 754510), (31406, 581150), (32308, 564925), (38300, 476543), (40385, 451940), (45194, 403850), (46492, 392575), (48380, 377255), (58115, 314060), (60475, 301804), (62812, 290575), (75451, 241900), (78515, 232460), (80770, 225970), (90388, 201925), (112985, 161540), (116230, 157030), (120950, 150902)]