205073800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 495671400

約数和(自身を除く): 290597600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 89, 100, 164, 178, 200, 205, 281, 328, 356, 410, 445, 562, 712, 820, 890, 1025, 1124, 1405, 1640, 1780, 2050, 2225, 2248, 2810, 3560, 3649, 4100, 4450, 5620, 7025, 7298, 8200, 8900, 11240, 11521, 14050, 14596, 17800, 18245, 23042, 25009, 28100, 29192, 36490, 46084, 50018, 56200, 57605, 72980, 91225, 92168, 100036, 115210, 125045, 145960, 182450, 200072, 230420, 250090, 288025, 364900, 460840, 500180, 576050, 625225, 729800, 1000360, 1025369, 1152100, 1250450, 2050738, 2304200, 2500900, 4101476, 5001800, 5126845, 8202952, 10253690, 20507380, 25634225, 41014760, 51268450, 102536900, 205073800]

約数ペア:

[(1, 205073800), (2, 102536900), (4, 51268450), (5, 41014760), (8, 25634225), (10, 20507380), (20, 10253690), (25, 8202952), (40, 5126845), (41, 5001800), (50, 4101476), (82, 2500900), (89, 2304200), (100, 2050738), (164, 1250450), (178, 1152100), (200, 1025369), (205, 1000360), (281, 729800), (328, 625225), (356, 576050), (410, 500180), (445, 460840), (562, 364900), (712, 288025), (820, 250090), (890, 230420), (1025, 200072), (1124, 182450), (1405, 145960), (1640, 125045), (1780, 115210), (2050, 100036), (2225, 92168), (2248, 91225), (2810, 72980), (3560, 57605), (3649, 56200), (4100, 50018), (4450, 46084), (5620, 36490), (7025, 29192), (7298, 28100), (8200, 25009), (8900, 23042), (11240, 18245), (11521, 17800), (14050, 14596)]