505405740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19727}}^1$

素因数の和:19807

約数の個数: 96

約数和(自身を含む): 1643894784

約数和(自身を除く): 1138489044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 4270, 5124, 6405, 8540, 12810, 19727, 25620, 39454, 59181, 78908, 98635, 118362, 138089, 197270, 236724, 276178, 295905, 394540, 414267, 552356, 591810, 690445, 828534, 1183620, 1203347, 1380890, 1657068, 2071335, 2406694, 2761780, 3610041, 4142670, 4813388, 6016735, 7220082, 8285340, 8423429, 12033470, 14440164, 16846858, 18050205, 24066940, 25270287, 33693716, 36100410, 42117145, 50540574, 72200820, 84234290, 101081148, 126351435, 168468580, 252702870, 505405740]

約数ペア:

[(1, 505405740), (2, 252702870), (3, 168468580), (4, 126351435), (5, 101081148), (6, 84234290), (7, 72200820), (10, 50540574), (12, 42117145), (14, 36100410), (15, 33693716), (20, 25270287), (21, 24066940), (28, 18050205), (30, 16846858), (35, 14440164), (42, 12033470), (60, 8423429), (61, 8285340), (70, 7220082), (84, 6016735), (105, 4813388), (122, 4142670), (140, 3610041), (183, 2761780), (210, 2406694), (244, 2071335), (305, 1657068), (366, 1380890), (420, 1203347), (427, 1183620), (610, 828534), (732, 690445), (854, 591810), (915, 552356), (1220, 414267), (1281, 394540), (1708, 295905), (1830, 276178), (2135, 236724), (2562, 197270), (3660, 138089), (4270, 118362), (5124, 98635), (6405, 78908), (8540, 59181), (12810, 39454), (19727, 25620)]