991699300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 2374848000

約数和(自身を除く): 1383148700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 113, 124, 149, 155, 190, 226, 298, 310, 380, 452, 475, 565, 589, 596, 620, 745, 775, 950, 1130, 1178, 1490, 1550, 1900, 2147, 2260, 2356, 2825, 2831, 2945, 2980, 3100, 3503, 3725, 4294, 4619, 5650, 5662, 5890, 7006, 7450, 8588, 9238, 10735, 11300, 11324, 11780, 14012, 14155, 14725, 14900, 16837, 17515, 18476, 21470, 23095, 28310, 29450, 33674, 35030, 42940, 46190, 53675, 56620, 58900, 66557, 67348, 70060, 70775, 84185, 87575, 87761, 92380, 107350, 115475, 133114, 141550, 168370, 175150, 175522, 214700, 230950, 266228, 283100, 319903, 332785, 336740, 350300, 351044, 420925, 438805, 461900, 521947, 639806, 665570, 841850, 877610, 1043894, 1279612, 1331140, 1599515, 1663925, 1683700, 1755220, 2087788, 2194025, 2609735, 3199030, 3327850, 4388050, 5219470, 6398060, 6655700, 7997575, 8776100, 9916993, 10438940, 13048675, 15995150, 19833986, 26097350, 31990300, 39667972, 49584965, 52194700, 99169930, 198339860, 247924825, 495849650, 991699300]

約数ペア:

[(1, 991699300), (2, 495849650), (4, 247924825), (5, 198339860), (10, 99169930), (19, 52194700), (20, 49584965), (25, 39667972), (31, 31990300), (38, 26097350), (50, 19833986), (62, 15995150), (76, 13048675), (95, 10438940), (100, 9916993), (113, 8776100), (124, 7997575), (149, 6655700), (155, 6398060), (190, 5219470), (226, 4388050), (298, 3327850), (310, 3199030), (380, 2609735), (452, 2194025), (475, 2087788), (565, 1755220), (589, 1683700), (596, 1663925), (620, 1599515), (745, 1331140), (775, 1279612), (950, 1043894), (1130, 877610), (1178, 841850), (1490, 665570), (1550, 639806), (1900, 521947), (2147, 461900), (2260, 438805), (2356, 420925), (2825, 351044), (2831, 350300), (2945, 336740), (2980, 332785), (3100, 319903), (3503, 283100), (3725, 266228), (4294, 230950), (4619, 214700), (5650, 175522), (5662, 175150), (5890, 168370), (7006, 141550), (7450, 133114), (8588, 115475), (9238, 107350), (10735, 92380), (11300, 87761), (11324, 87575), (11780, 84185), (14012, 70775), (14155, 70060), (14725, 67348), (14900, 66557), (16837, 58900), (17515, 56620), (18476, 53675), (21470, 46190), (23095, 42940), (28310, 35030), (29450, 33674)]