663700700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 1642561536

約数和(自身を除く): 978860836

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 43, 50, 52, 62, 65, 86, 100, 124, 130, 155, 172, 215, 260, 310, 325, 383, 403, 430, 559, 620, 650, 766, 775, 806, 860, 1075, 1118, 1300, 1333, 1532, 1550, 1612, 1915, 2015, 2150, 2236, 2666, 2795, 3100, 3830, 4030, 4300, 4979, 5332, 5590, 6665, 7660, 8060, 9575, 9958, 10075, 11180, 11873, 13330, 13975, 16469, 17329, 19150, 19916, 20150, 23746, 24895, 26660, 27950, 32938, 33325, 34658, 38300, 40300, 47492, 49790, 55900, 59365, 65876, 66650, 69316, 82345, 86645, 99580, 118730, 124475, 133300, 154349, 164690, 173290, 214097, 237460, 248950, 296825, 308698, 329380, 346580, 411725, 428194, 433225, 497900, 510539, 593650, 617396, 771745, 823450, 856388, 866450, 1021078, 1070485, 1187300, 1543490, 1646900, 1732900, 2042156, 2140970, 2552695, 3086980, 3858725, 4281940, 5105390, 5352425, 6637007, 7717450, 10210780, 10704850, 12763475, 13274014, 15434900, 21409700, 25526950, 26548028, 33185035, 51053900, 66370070, 132740140, 165925175, 331850350, 663700700]

約数ペア:

[(1, 663700700), (2, 331850350), (4, 165925175), (5, 132740140), (10, 66370070), (13, 51053900), (20, 33185035), (25, 26548028), (26, 25526950), (31, 21409700), (43, 15434900), (50, 13274014), (52, 12763475), (62, 10704850), (65, 10210780), (86, 7717450), (100, 6637007), (124, 5352425), (130, 5105390), (155, 4281940), (172, 3858725), (215, 3086980), (260, 2552695), (310, 2140970), (325, 2042156), (383, 1732900), (403, 1646900), (430, 1543490), (559, 1187300), (620, 1070485), (650, 1021078), (766, 866450), (775, 856388), (806, 823450), (860, 771745), (1075, 617396), (1118, 593650), (1300, 510539), (1333, 497900), (1532, 433225), (1550, 428194), (1612, 411725), (1915, 346580), (2015, 329380), (2150, 308698), (2236, 296825), (2666, 248950), (2795, 237460), (3100, 214097), (3830, 173290), (4030, 164690), (4300, 154349), (4979, 133300), (5332, 124475), (5590, 118730), (6665, 99580), (7660, 86645), (8060, 82345), (9575, 69316), (9958, 66650), (10075, 65876), (11180, 59365), (11873, 55900), (13330, 49790), (13975, 47492), (16469, 40300), (17329, 38300), (19150, 34658), (19916, 33325), (20150, 32938), (23746, 27950), (24895, 26660)]