400493340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5521}}^1$

素因数の和:5580

約数の個数: 144

約数和(自身を含む): 1350725376

約数和(自身を除く): 950232036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4030, 4836, 5521, 5580, 6045, 7254, 8060, 11042, 12090, 14508, 16563, 18135, 22084, 24180, 27605, 33126, 36270, 49689, 55210, 66252, 71773, 72540, 82815, 99378, 110420, 143546, 165630, 171151, 198756, 215319, 248445, 287092, 331260, 342302, 358865, 430638, 496890, 513453, 645957, 684604, 717730, 855755, 861276, 993780, 1026906, 1076595, 1291914, 1435460, 1540359, 1711510, 2053812, 2153190, 2224963, 2567265, 2583828, 3080718, 3229785, 3423020, 4306380, 4449926, 5134530, 6161436, 6459570, 6674889, 7701795, 8899852, 10269060, 11124815, 12919140, 13349778, 15403590, 20024667, 22249630, 26699556, 30807180, 33374445, 40049334, 44499260, 66748890, 80098668, 100123335, 133497780, 200246670, 400493340]

約数ペア:

[(1, 400493340), (2, 200246670), (3, 133497780), (4, 100123335), (5, 80098668), (6, 66748890), (9, 44499260), (10, 40049334), (12, 33374445), (13, 30807180), (15, 26699556), (18, 22249630), (20, 20024667), (26, 15403590), (30, 13349778), (31, 12919140), (36, 11124815), (39, 10269060), (45, 8899852), (52, 7701795), (60, 6674889), (62, 6459570), (65, 6161436), (78, 5134530), (90, 4449926), (93, 4306380), (117, 3423020), (124, 3229785), (130, 3080718), (155, 2583828), (156, 2567265), (180, 2224963), (186, 2153190), (195, 2053812), (234, 1711510), (260, 1540359), (279, 1435460), (310, 1291914), (372, 1076595), (390, 1026906), (403, 993780), (465, 861276), (468, 855755), (558, 717730), (585, 684604), (620, 645957), (780, 513453), (806, 496890), (930, 430638), (1116, 358865), (1170, 342302), (1209, 331260), (1395, 287092), (1612, 248445), (1860, 215319), (2015, 198756), (2340, 171151), (2418, 165630), (2790, 143546), (3627, 110420), (4030, 99378), (4836, 82815), (5521, 72540), (5580, 71773), (6045, 66252), (7254, 55210), (8060, 49689), (11042, 36270), (12090, 33126), (14508, 27605), (16563, 24180), (18135, 22084)]