4423720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 12086280

約数和(自身を除く): 7662560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 61, 70, 74, 98, 122, 140, 148, 185, 196, 244, 245, 259, 280, 296, 305, 370, 392, 427, 488, 490, 518, 610, 740, 854, 980, 1036, 1220, 1295, 1480, 1708, 1813, 1960, 2072, 2135, 2257, 2440, 2590, 2989, 3416, 3626, 4270, 4514, 5180, 5978, 7252, 8540, 9028, 9065, 10360, 11285, 11956, 14504, 14945, 15799, 17080, 18056, 18130, 22570, 23912, 29890, 31598, 36260, 45140, 59780, 63196, 72520, 78995, 90280, 110593, 119560, 126392, 157990, 221186, 315980, 442372, 552965, 631960, 884744, 1105930, 2211860, 4423720]

約数ペア:

[(1, 4423720), (2, 2211860), (4, 1105930), (5, 884744), (7, 631960), (8, 552965), (10, 442372), (14, 315980), (20, 221186), (28, 157990), (35, 126392), (37, 119560), (40, 110593), (49, 90280), (56, 78995), (61, 72520), (70, 63196), (74, 59780), (98, 45140), (122, 36260), (140, 31598), (148, 29890), (185, 23912), (196, 22570), (244, 18130), (245, 18056), (259, 17080), (280, 15799), (296, 14945), (305, 14504), (370, 11956), (392, 11285), (427, 10360), (488, 9065), (490, 9028), (518, 8540), (610, 7252), (740, 5978), (854, 5180), (980, 4514), (1036, 4270), (1220, 3626), (1295, 3416), (1480, 2989), (1708, 2590), (1813, 2440), (1960, 2257), (2072, 2135)]