405429280

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 1043025984

約数和(自身を除く): 637596704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 80, 92, 115, 116, 131, 145, 160, 184, 230, 232, 262, 290, 368, 460, 464, 524, 580, 655, 667, 736, 841, 920, 928, 1048, 1160, 1310, 1334, 1682, 1840, 2096, 2320, 2620, 2668, 3013, 3335, 3364, 3680, 3799, 4192, 4205, 4640, 5240, 5336, 6026, 6670, 6728, 7598, 8410, 10480, 10672, 12052, 13340, 13456, 15065, 15196, 16820, 18995, 19343, 20960, 21344, 24104, 26680, 26912, 30130, 30392, 33640, 37990, 38686, 48208, 53360, 60260, 60784, 67280, 75980, 77372, 87377, 96416, 96715, 106720, 110171, 120520, 121568, 134560, 151960, 154744, 174754, 193430, 220342, 241040, 303920, 309488, 349508, 386860, 436885, 440684, 482080, 550855, 607840, 618976, 699016, 773720, 873770, 881368, 1101710, 1398032, 1547440, 1747540, 1762736, 2203420, 2533933, 2796064, 3094880, 3495080, 3525472, 4406840, 5067866, 6990160, 8813680, 10135732, 12669665, 13980320, 17627360, 20271464, 25339330, 40542928, 50678660, 81085856, 101357320, 202714640, 405429280]

約数ペア:

[(1, 405429280), (2, 202714640), (4, 101357320), (5, 81085856), (8, 50678660), (10, 40542928), (16, 25339330), (20, 20271464), (23, 17627360), (29, 13980320), (32, 12669665), (40, 10135732), (46, 8813680), (58, 6990160), (80, 5067866), (92, 4406840), (115, 3525472), (116, 3495080), (131, 3094880), (145, 2796064), (160, 2533933), (184, 2203420), (230, 1762736), (232, 1747540), (262, 1547440), (290, 1398032), (368, 1101710), (460, 881368), (464, 873770), (524, 773720), (580, 699016), (655, 618976), (667, 607840), (736, 550855), (841, 482080), (920, 440684), (928, 436885), (1048, 386860), (1160, 349508), (1310, 309488), (1334, 303920), (1682, 241040), (1840, 220342), (2096, 193430), (2320, 174754), (2620, 154744), (2668, 151960), (3013, 134560), (3335, 121568), (3364, 120520), (3680, 110171), (3799, 106720), (4192, 96715), (4205, 96416), (4640, 87377), (5240, 77372), (5336, 75980), (6026, 67280), (6670, 60784), (6728, 60260), (7598, 53360), (8410, 48208), (10480, 38686), (10672, 37990), (12052, 33640), (13340, 30392), (13456, 30130), (15065, 26912), (15196, 26680), (16820, 24104), (18995, 21344), (19343, 20960)]