2018936660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 4917977904

約数和(自身を除く): 2899041244

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 97, 130, 170, 194, 221, 260, 277, 289, 340, 388, 442, 485, 554, 578, 884, 970, 1105, 1108, 1156, 1261, 1385, 1445, 1649, 1940, 2210, 2522, 2770, 2890, 3298, 3601, 3757, 4420, 4709, 5044, 5540, 5780, 6305, 6596, 7202, 7514, 8245, 9418, 12610, 14404, 15028, 16490, 18005, 18785, 18836, 21437, 23545, 25220, 26869, 28033, 32980, 36010, 37570, 42874, 47090, 53738, 56066, 61217, 72020, 75140, 80053, 85748, 94180, 107185, 107476, 112132, 122434, 134345, 140165, 160106, 214370, 244868, 268690, 280330, 306085, 320212, 349297, 364429, 400265, 428740, 456773, 537380, 560660, 612170, 698594, 728858, 800530, 913546, 1040689, 1224340, 1397188, 1457716, 1601060, 1746485, 1822145, 1827092, 2081378, 2283865, 3492970, 3644290, 4162756, 4567730, 5203445, 5938049, 6985940, 7288580, 7765141, 9135460, 10406890, 11876098, 15530282, 20813780, 23752196, 29690245, 31060564, 38825705, 59380490, 77651410, 100946833, 118760980, 155302820, 201893666, 403787332, 504734165, 1009468330, 2018936660]

約数ペア:

[(1, 2018936660), (2, 1009468330), (4, 504734165), (5, 403787332), (10, 201893666), (13, 155302820), (17, 118760980), (20, 100946833), (26, 77651410), (34, 59380490), (52, 38825705), (65, 31060564), (68, 29690245), (85, 23752196), (97, 20813780), (130, 15530282), (170, 11876098), (194, 10406890), (221, 9135460), (260, 7765141), (277, 7288580), (289, 6985940), (340, 5938049), (388, 5203445), (442, 4567730), (485, 4162756), (554, 3644290), (578, 3492970), (884, 2283865), (970, 2081378), (1105, 1827092), (1108, 1822145), (1156, 1746485), (1261, 1601060), (1385, 1457716), (1445, 1397188), (1649, 1224340), (1940, 1040689), (2210, 913546), (2522, 800530), (2770, 728858), (2890, 698594), (3298, 612170), (3601, 560660), (3757, 537380), (4420, 456773), (4709, 428740), (5044, 400265), (5540, 364429), (5780, 349297), (6305, 320212), (6596, 306085), (7202, 280330), (7514, 268690), (8245, 244868), (9418, 214370), (12610, 160106), (14404, 140165), (15028, 134345), (16490, 122434), (18005, 112132), (18785, 107476), (18836, 107185), (21437, 94180), (23545, 85748), (25220, 80053), (26869, 75140), (28033, 72020), (32980, 61217), (36010, 56066), (37570, 53738), (42874, 47090)]