299028100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 774950400

約数和(自身を除く): 475922300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 61, 70, 94, 100, 122, 140, 149, 175, 188, 235, 244, 298, 305, 329, 350, 427, 470, 596, 610, 658, 700, 745, 854, 940, 1043, 1175, 1220, 1316, 1490, 1525, 1645, 1708, 2086, 2135, 2350, 2867, 2980, 3050, 3290, 3725, 4172, 4270, 4700, 5215, 5734, 6100, 6580, 7003, 7450, 8225, 8540, 9089, 10430, 10675, 11468, 14006, 14335, 14900, 16450, 18178, 20069, 20860, 21350, 26075, 28012, 28670, 32900, 35015, 36356, 40138, 42700, 45445, 49021, 52150, 57340, 63623, 70030, 71675, 80276, 90890, 98042, 100345, 104300, 127246, 140060, 143350, 175075, 181780, 196084, 200690, 227225, 245105, 254492, 286700, 318115, 350150, 401380, 427183, 454450, 490210, 501725, 636230, 700300, 854366, 908900, 980420, 1003450, 1225525, 1272460, 1590575, 1708732, 2006900, 2135915, 2451050, 2990281, 3181150, 4271830, 4902100, 5980562, 6362300, 8543660, 10679575, 11961124, 14951405, 21359150, 29902810, 42718300, 59805620, 74757025, 149514050, 299028100]

約数ペア:

[(1, 299028100), (2, 149514050), (4, 74757025), (5, 59805620), (7, 42718300), (10, 29902810), (14, 21359150), (20, 14951405), (25, 11961124), (28, 10679575), (35, 8543660), (47, 6362300), (50, 5980562), (61, 4902100), (70, 4271830), (94, 3181150), (100, 2990281), (122, 2451050), (140, 2135915), (149, 2006900), (175, 1708732), (188, 1590575), (235, 1272460), (244, 1225525), (298, 1003450), (305, 980420), (329, 908900), (350, 854366), (427, 700300), (470, 636230), (596, 501725), (610, 490210), (658, 454450), (700, 427183), (745, 401380), (854, 350150), (940, 318115), (1043, 286700), (1175, 254492), (1220, 245105), (1316, 227225), (1490, 200690), (1525, 196084), (1645, 181780), (1708, 175075), (2086, 143350), (2135, 140060), (2350, 127246), (2867, 104300), (2980, 100345), (3050, 98042), (3290, 90890), (3725, 80276), (4172, 71675), (4270, 70030), (4700, 63623), (5215, 57340), (5734, 52150), (6100, 49021), (6580, 45445), (7003, 42700), (7450, 40138), (8225, 36356), (8540, 35015), (9089, 32900), (10430, 28670), (10675, 28012), (11468, 26075), (14006, 21350), (14335, 20860), (14900, 20069), (16450, 18178)]