2019940020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{10211}}^1$

素因数の和:10390

約数の個数: 144

約数和(自身を含む): 7047750528

約数和(自身を除く): 5027810508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 471, 628, 630, 785, 942, 1099, 1260, 1413, 1570, 1884, 2198, 2355, 2826, 3140, 3297, 4396, 4710, 5495, 5652, 6594, 7065, 9420, 9891, 10211, 10990, 13188, 14130, 16485, 19782, 20422, 21980, 28260, 30633, 32970, 39564, 40844, 49455, 51055, 61266, 65940, 71477, 91899, 98910, 102110, 122532, 142954, 153165, 183798, 197820, 204220, 214431, 285908, 306330, 357385, 367596, 428862, 459495, 612660, 643293, 714770, 857724, 918990, 1072155, 1286586, 1429540, 1603127, 1837980, 2144310, 2573172, 3206254, 3216465, 4288620, 4809381, 6412508, 6432930, 8015635, 9618762, 11221889, 12865860, 14428143, 16031270, 19237524, 22443778, 24046905, 28856286, 32062540, 33665667, 44887556, 48093810, 56109445, 57712572, 67331334, 72140715, 96187620, 100997001, 112218890, 134662668, 144281430, 168328335, 201994002, 224437780, 288562860, 336656670, 403988004, 504985005, 673313340, 1009970010, 2019940020]

約数ペア:

[(1, 2019940020), (2, 1009970010), (3, 673313340), (4, 504985005), (5, 403988004), (6, 336656670), (7, 288562860), (9, 224437780), (10, 201994002), (12, 168328335), (14, 144281430), (15, 134662668), (18, 112218890), (20, 100997001), (21, 96187620), (28, 72140715), (30, 67331334), (35, 57712572), (36, 56109445), (42, 48093810), (45, 44887556), (60, 33665667), (63, 32062540), (70, 28856286), (84, 24046905), (90, 22443778), (105, 19237524), (126, 16031270), (140, 14428143), (157, 12865860), (180, 11221889), (210, 9618762), (252, 8015635), (314, 6432930), (315, 6412508), (420, 4809381), (471, 4288620), (628, 3216465), (630, 3206254), (785, 2573172), (942, 2144310), (1099, 1837980), (1260, 1603127), (1413, 1429540), (1570, 1286586), (1884, 1072155), (2198, 918990), (2355, 857724), (2826, 714770), (3140, 643293), (3297, 612660), (4396, 459495), (4710, 428862), (5495, 367596), (5652, 357385), (6594, 306330), (7065, 285908), (9420, 214431), (9891, 204220), (10211, 197820), (10990, 183798), (13188, 153165), (14130, 142954), (16485, 122532), (19782, 102110), (20422, 98910), (21980, 91899), (28260, 71477), (30633, 65940), (32970, 61266), (39564, 51055), (40844, 49455)]