191796780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:848

約数の個数: 144

約数和(自身を含む): 632590560

約数和(自身を除く): 440793780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 294, 356, 420, 445, 490, 534, 588, 623, 733, 735, 890, 980, 1068, 1246, 1335, 1466, 1470, 1780, 1869, 2199, 2492, 2670, 2932, 2940, 3115, 3665, 3738, 4361, 4398, 5131, 5340, 6230, 7330, 7476, 8722, 8796, 9345, 10262, 10995, 12460, 13083, 14660, 15393, 17444, 18690, 20524, 21805, 21990, 25655, 26166, 30786, 35917, 37380, 43610, 43980, 51310, 52332, 61572, 65237, 65415, 71834, 76965, 87220, 102620, 107751, 130474, 130830, 143668, 153930, 179585, 195711, 215502, 260948, 261660, 307860, 326185, 359170, 391422, 431004, 456659, 538755, 652370, 718340, 782844, 913318, 978555, 1077510, 1304740, 1369977, 1826636, 1957110, 2155020, 2283295, 2739954, 3196613, 3914220, 4566590, 5479908, 6393226, 6849885, 9133180, 9589839, 12786452, 13699770, 15983065, 19179678, 27399540, 31966130, 38359356, 47949195, 63932260, 95898390, 191796780]

約数ペア:

[(1, 191796780), (2, 95898390), (3, 63932260), (4, 47949195), (5, 38359356), (6, 31966130), (7, 27399540), (10, 19179678), (12, 15983065), (14, 13699770), (15, 12786452), (20, 9589839), (21, 9133180), (28, 6849885), (30, 6393226), (35, 5479908), (42, 4566590), (49, 3914220), (60, 3196613), (70, 2739954), (84, 2283295), (89, 2155020), (98, 1957110), (105, 1826636), (140, 1369977), (147, 1304740), (178, 1077510), (196, 978555), (210, 913318), (245, 782844), (267, 718340), (294, 652370), (356, 538755), (420, 456659), (445, 431004), (490, 391422), (534, 359170), (588, 326185), (623, 307860), (733, 261660), (735, 260948), (890, 215502), (980, 195711), (1068, 179585), (1246, 153930), (1335, 143668), (1466, 130830), (1470, 130474), (1780, 107751), (1869, 102620), (2199, 87220), (2492, 76965), (2670, 71834), (2932, 65415), (2940, 65237), (3115, 61572), (3665, 52332), (3738, 51310), (4361, 43980), (4398, 43610), (5131, 37380), (5340, 35917), (6230, 30786), (7330, 26166), (7476, 25655), (8722, 21990), (8796, 21805), (9345, 20524), (10262, 18690), (10995, 17444), (12460, 15393), (13083, 14660)]