42728140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1427

約数の個数: 96

約数和(自身を含む): 117016704

約数和(自身を除く): 74288564

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1381, 1547, 1820, 2210, 2380, 2762, 3094, 4420, 5524, 6188, 6905, 7735, 9667, 13810, 15470, 17953, 19334, 23477, 27620, 30940, 35906, 38668, 46954, 48335, 71812, 89765, 93908, 96670, 117385, 125671, 164339, 179530, 193340, 234770, 251342, 305201, 328678, 359060, 469540, 502684, 610402, 628355, 657356, 821695, 1220804, 1256710, 1526005, 1643390, 2136407, 2513420, 3052010, 3286780, 4272814, 6104020, 8545628, 10682035, 21364070, 42728140]

約数ペア:

[(1, 42728140), (2, 21364070), (4, 10682035), (5, 8545628), (7, 6104020), (10, 4272814), (13, 3286780), (14, 3052010), (17, 2513420), (20, 2136407), (26, 1643390), (28, 1526005), (34, 1256710), (35, 1220804), (52, 821695), (65, 657356), (68, 628355), (70, 610402), (85, 502684), (91, 469540), (119, 359060), (130, 328678), (140, 305201), (170, 251342), (182, 234770), (221, 193340), (238, 179530), (260, 164339), (340, 125671), (364, 117385), (442, 96670), (455, 93908), (476, 89765), (595, 71812), (884, 48335), (910, 46954), (1105, 38668), (1190, 35906), (1381, 30940), (1547, 27620), (1820, 23477), (2210, 19334), (2380, 17953), (2762, 15470), (3094, 13810), (4420, 9667), (5524, 7735), (6188, 6905)]