248937440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1619}}^1$

素因数の和:1696

約数の個数: 72

約数和(自身を含む): 608073480

約数和(自身を除く): 359136040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1619, 1922, 2480, 3238, 3844, 4805, 4960, 6476, 7688, 8095, 9610, 12952, 15376, 16190, 19220, 25904, 30752, 32380, 38440, 50189, 51808, 64760, 76880, 100378, 129520, 153760, 200756, 250945, 259040, 401512, 501890, 803024, 1003780, 1555859, 1606048, 2007560, 3111718, 4015120, 6223436, 7779295, 8030240, 12446872, 15558590, 24893744, 31117180, 49787488, 62234360, 124468720, 248937440]

約数ペア:

[(1, 248937440), (2, 124468720), (4, 62234360), (5, 49787488), (8, 31117180), (10, 24893744), (16, 15558590), (20, 12446872), (31, 8030240), (32, 7779295), (40, 6223436), (62, 4015120), (80, 3111718), (124, 2007560), (155, 1606048), (160, 1555859), (248, 1003780), (310, 803024), (496, 501890), (620, 401512), (961, 259040), (992, 250945), (1240, 200756), (1619, 153760), (1922, 129520), (2480, 100378), (3238, 76880), (3844, 64760), (4805, 51808), (4960, 50189), (6476, 38440), (7688, 32380), (8095, 30752), (9610, 25904), (12952, 19220), (15376, 16190)]