221426800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2607

約数の個数: 120

約数和(自身を含む): 627832832

約数和(自身を除く): 406406032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 2170, 2480, 2551, 2800, 3100, 3472, 4340, 5102, 5425, 6200, 8680, 10204, 10850, 12400, 12755, 17360, 17857, 20408, 21700, 25510, 35714, 40816, 43400, 51020, 63775, 71428, 79081, 86800, 89285, 102040, 127550, 142856, 158162, 178570, 204080, 255100, 285712, 316324, 357140, 395405, 446425, 510200, 553567, 632648, 714280, 790810, 892850, 1020400, 1107134, 1265296, 1428560, 1581620, 1785700, 1977025, 2214268, 2767835, 3163240, 3571400, 3954050, 4428536, 5535670, 6326480, 7142800, 7908100, 8857072, 11071340, 13839175, 15816200, 22142680, 27678350, 31632400, 44285360, 55356700, 110713400, 221426800]

約数ペア:

[(1, 221426800), (2, 110713400), (4, 55356700), (5, 44285360), (7, 31632400), (8, 27678350), (10, 22142680), (14, 15816200), (16, 13839175), (20, 11071340), (25, 8857072), (28, 7908100), (31, 7142800), (35, 6326480), (40, 5535670), (50, 4428536), (56, 3954050), (62, 3571400), (70, 3163240), (80, 2767835), (100, 2214268), (112, 1977025), (124, 1785700), (140, 1581620), (155, 1428560), (175, 1265296), (200, 1107134), (217, 1020400), (248, 892850), (280, 790810), (310, 714280), (350, 632648), (400, 553567), (434, 510200), (496, 446425), (560, 395405), (620, 357140), (700, 316324), (775, 285712), (868, 255100), (1085, 204080), (1240, 178570), (1400, 158162), (1550, 142856), (1736, 127550), (2170, 102040), (2480, 89285), (2551, 86800), (2800, 79081), (3100, 71428), (3472, 63775), (4340, 51020), (5102, 43400), (5425, 40816), (6200, 35714), (8680, 25510), (10204, 21700), (10850, 20408), (12400, 17857), (12755, 17360)]