1289804740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7949}}^1$

素因数の和:8045

約数の個数: 96

約数和(自身を含む): 3312288000

約数和(自身を除く): 2022483260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 61, 70, 76, 95, 122, 133, 140, 190, 244, 266, 305, 380, 427, 532, 610, 665, 854, 1159, 1220, 1330, 1708, 2135, 2318, 2660, 4270, 4636, 5795, 7949, 8113, 8540, 11590, 15898, 16226, 23180, 31796, 32452, 39745, 40565, 55643, 79490, 81130, 111286, 151031, 158980, 162260, 222572, 278215, 302062, 484889, 556430, 604124, 755155, 969778, 1057217, 1112860, 1510310, 1939556, 2114434, 2424445, 3020620, 3394223, 4228868, 4848890, 5286085, 6788446, 9212891, 9697780, 10572170, 13576892, 16971115, 18425782, 21144340, 33942230, 36851564, 46064455, 64490237, 67884460, 92128910, 128980474, 184257820, 257960948, 322451185, 644902370, 1289804740]

約数ペア:

[(1, 1289804740), (2, 644902370), (4, 322451185), (5, 257960948), (7, 184257820), (10, 128980474), (14, 92128910), (19, 67884460), (20, 64490237), (28, 46064455), (35, 36851564), (38, 33942230), (61, 21144340), (70, 18425782), (76, 16971115), (95, 13576892), (122, 10572170), (133, 9697780), (140, 9212891), (190, 6788446), (244, 5286085), (266, 4848890), (305, 4228868), (380, 3394223), (427, 3020620), (532, 2424445), (610, 2114434), (665, 1939556), (854, 1510310), (1159, 1112860), (1220, 1057217), (1330, 969778), (1708, 755155), (2135, 604124), (2318, 556430), (2660, 484889), (4270, 302062), (4636, 278215), (5795, 222572), (7949, 162260), (8113, 158980), (8540, 151031), (11590, 111286), (15898, 81130), (16226, 79490), (23180, 55643), (31796, 40565), (32452, 39745)]