219730420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 588809088

約数和(自身を除く): 369078668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 169, 182, 185, 251, 259, 260, 338, 364, 370, 455, 481, 502, 518, 676, 740, 845, 910, 962, 1004, 1036, 1183, 1255, 1295, 1690, 1757, 1820, 1924, 2366, 2405, 2510, 2590, 3263, 3367, 3380, 3514, 4732, 4810, 5020, 5180, 5915, 6253, 6526, 6734, 7028, 8785, 9287, 9620, 11830, 12506, 13052, 13468, 16315, 16835, 17570, 18574, 22841, 23660, 25012, 31265, 32630, 33670, 35140, 37148, 42419, 43771, 45682, 46435, 62530, 65009, 65260, 67340, 84838, 87542, 91364, 92870, 114205, 120731, 125060, 130018, 169676, 175084, 185740, 212095, 218855, 228410, 241462, 260036, 296933, 325045, 424190, 437710, 456820, 482924, 593866, 603655, 650090, 845117, 848380, 875420, 1187732, 1207310, 1300180, 1484665, 1569503, 1690234, 2414620, 2969330, 3139006, 3380468, 4225585, 5938660, 6278012, 7847515, 8451170, 10986521, 15695030, 16902340, 21973042, 31390060, 43946084, 54932605, 109865210, 219730420]

約数ペア:

[(1, 219730420), (2, 109865210), (4, 54932605), (5, 43946084), (7, 31390060), (10, 21973042), (13, 16902340), (14, 15695030), (20, 10986521), (26, 8451170), (28, 7847515), (35, 6278012), (37, 5938660), (52, 4225585), (65, 3380468), (70, 3139006), (74, 2969330), (91, 2414620), (130, 1690234), (140, 1569503), (148, 1484665), (169, 1300180), (182, 1207310), (185, 1187732), (251, 875420), (259, 848380), (260, 845117), (338, 650090), (364, 603655), (370, 593866), (455, 482924), (481, 456820), (502, 437710), (518, 424190), (676, 325045), (740, 296933), (845, 260036), (910, 241462), (962, 228410), (1004, 218855), (1036, 212095), (1183, 185740), (1255, 175084), (1295, 169676), (1690, 130018), (1757, 125060), (1820, 120731), (1924, 114205), (2366, 92870), (2405, 91364), (2510, 87542), (2590, 84838), (3263, 67340), (3367, 65260), (3380, 65009), (3514, 62530), (4732, 46435), (4810, 45682), (5020, 43771), (5180, 42419), (5915, 37148), (6253, 35140), (6526, 33670), (6734, 32630), (7028, 31265), (8785, 25012), (9287, 23660), (9620, 22841), (11830, 18574), (12506, 17570), (13052, 16835), (13468, 16315)]