397288045400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{811123}}^1$

素因数の和:811249

約数の個数: 96

約数和(自身を含む): 965562009600

約数和(自身を除く): 568273964200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 79, 100, 124, 155, 158, 200, 248, 310, 316, 395, 620, 632, 775, 790, 1240, 1550, 1580, 1975, 2449, 3100, 3160, 3950, 4898, 6200, 7900, 9796, 12245, 15800, 19592, 24490, 48980, 61225, 97960, 122450, 244900, 489800, 811123, 1622246, 3244492, 4055615, 6488984, 8111230, 16222460, 20278075, 25144813, 32444920, 40556150, 50289626, 64078717, 81112300, 100579252, 125724065, 128157434, 162224600, 201158504, 251448130, 256314868, 320393585, 502896260, 512629736, 628620325, 640787170, 1005792520, 1257240650, 1281574340, 1601967925, 1986440227, 2514481300, 2563148680, 3203935850, 3972880454, 5028962600, 6407871700, 7945760908, 9932201135, 12815743400, 15891521816, 19864402270, 39728804540, 49661005675, 79457609080, 99322011350, 198644022700, 397288045400]

約数ペア:

[(1, 397288045400), (2, 198644022700), (4, 99322011350), (5, 79457609080), (8, 49661005675), (10, 39728804540), (20, 19864402270), (25, 15891521816), (31, 12815743400), (40, 9932201135), (50, 7945760908), (62, 6407871700), (79, 5028962600), (100, 3972880454), (124, 3203935850), (155, 2563148680), (158, 2514481300), (200, 1986440227), (248, 1601967925), (310, 1281574340), (316, 1257240650), (395, 1005792520), (620, 640787170), (632, 628620325), (775, 512629736), (790, 502896260), (1240, 320393585), (1550, 256314868), (1580, 251448130), (1975, 201158504), (2449, 162224600), (3100, 128157434), (3160, 125724065), (3950, 100579252), (4898, 81112300), (6200, 64078717), (7900, 50289626), (9796, 40556150), (12245, 32444920), (15800, 25144813), (19592, 20278075), (24490, 16222460), (48980, 8111230), (61225, 6488984), (97960, 4055615), (122450, 3244492), (244900, 1622246), (489800, 811123)]