398440260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1031}}^1$

素因数の和:1178

約数の個数: 144

約数和(自身を含む): 1284716160

約数和(自身を除く): 886275900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 113, 114, 171, 180, 190, 226, 228, 285, 339, 342, 380, 452, 565, 570, 678, 684, 855, 1017, 1031, 1130, 1140, 1356, 1695, 1710, 2034, 2062, 2147, 2260, 3093, 3390, 3420, 4068, 4124, 4294, 5085, 5155, 6186, 6441, 6780, 8588, 9279, 10170, 10310, 10735, 12372, 12882, 15465, 18558, 19323, 19589, 20340, 20620, 21470, 25764, 30930, 32205, 37116, 38646, 39178, 42940, 46395, 58767, 61860, 64410, 77292, 78356, 92790, 96615, 97945, 116503, 117534, 128820, 176301, 185580, 193230, 195890, 233006, 235068, 293835, 349509, 352602, 386460, 391780, 466012, 582515, 587670, 699018, 705204, 881505, 1048527, 1165030, 1175340, 1398036, 1747545, 1763010, 2097054, 2213557, 2330060, 3495090, 3526020, 4194108, 4427114, 5242635, 6640671, 6990180, 8854228, 10485270, 11067785, 13281342, 19922013, 20970540, 22135570, 26562684, 33203355, 39844026, 44271140, 66406710, 79688052, 99610065, 132813420, 199220130, 398440260]

約数ペア:

[(1, 398440260), (2, 199220130), (3, 132813420), (4, 99610065), (5, 79688052), (6, 66406710), (9, 44271140), (10, 39844026), (12, 33203355), (15, 26562684), (18, 22135570), (19, 20970540), (20, 19922013), (30, 13281342), (36, 11067785), (38, 10485270), (45, 8854228), (57, 6990180), (60, 6640671), (76, 5242635), (90, 4427114), (95, 4194108), (113, 3526020), (114, 3495090), (171, 2330060), (180, 2213557), (190, 2097054), (226, 1763010), (228, 1747545), (285, 1398036), (339, 1175340), (342, 1165030), (380, 1048527), (452, 881505), (565, 705204), (570, 699018), (678, 587670), (684, 582515), (855, 466012), (1017, 391780), (1031, 386460), (1130, 352602), (1140, 349509), (1356, 293835), (1695, 235068), (1710, 233006), (2034, 195890), (2062, 193230), (2147, 185580), (2260, 176301), (3093, 128820), (3390, 117534), (3420, 116503), (4068, 97945), (4124, 96615), (4294, 92790), (5085, 78356), (5155, 77292), (6186, 64410), (6441, 61860), (6780, 58767), (8588, 46395), (9279, 42940), (10170, 39178), (10310, 38646), (10735, 37116), (12372, 32205), (12882, 30930), (15465, 25764), (18558, 21470), (19323, 20620), (19589, 20340)]