210905920

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 112

約数和(自身を含む): 528157440

約数和(自身を除く): 317251520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 47, 64, 74, 80, 94, 148, 160, 185, 188, 235, 296, 320, 370, 376, 379, 470, 592, 740, 752, 758, 940, 1184, 1480, 1504, 1516, 1739, 1880, 1895, 2368, 2960, 3008, 3032, 3478, 3760, 3790, 5920, 6064, 6956, 7520, 7580, 8695, 11840, 12128, 13912, 14023, 15040, 15160, 17390, 17813, 24256, 27824, 28046, 30320, 34780, 35626, 55648, 56092, 60640, 69560, 70115, 71252, 89065, 111296, 112184, 121280, 139120, 140230, 142504, 178130, 224368, 278240, 280460, 285008, 356260, 448736, 556480, 560920, 570016, 659081, 712520, 897472, 1121840, 1140032, 1318162, 1425040, 2243680, 2636324, 2850080, 3295405, 4487360, 5272648, 5700160, 6590810, 10545296, 13181620, 21090592, 26363240, 42181184, 52726480, 105452960, 210905920]

約数ペア:

[(1, 210905920), (2, 105452960), (4, 52726480), (5, 42181184), (8, 26363240), (10, 21090592), (16, 13181620), (20, 10545296), (32, 6590810), (37, 5700160), (40, 5272648), (47, 4487360), (64, 3295405), (74, 2850080), (80, 2636324), (94, 2243680), (148, 1425040), (160, 1318162), (185, 1140032), (188, 1121840), (235, 897472), (296, 712520), (320, 659081), (370, 570016), (376, 560920), (379, 556480), (470, 448736), (592, 356260), (740, 285008), (752, 280460), (758, 278240), (940, 224368), (1184, 178130), (1480, 142504), (1504, 140230), (1516, 139120), (1739, 121280), (1880, 112184), (1895, 111296), (2368, 89065), (2960, 71252), (3008, 70115), (3032, 69560), (3478, 60640), (3760, 56092), (3790, 55648), (5920, 35626), (6064, 34780), (6956, 30320), (7520, 28046), (7580, 27824), (8695, 24256), (11840, 17813), (12128, 17390), (13912, 15160), (14023, 15040)]