About the Number

4921998720

4921998719 ← → 4921998721

2進数表記:100100101010111111011110110000000

漢数字表記:四十九億二千百九十九万八千七百二十

素因数分解:

2 7 × 3 1 × 5 1 × 73 1 × 35117 1

素因数の和:35212
約数の個数: 128
約数和(自身を含む): 15904239840
約数和(自身を除く): 10982241120

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 292, 320, 365, 384, 438, 480, 584, 640, 730, 876, 960, 1095, 1168, 1460, 1752, 1920, 2190, 2336, 2920, 3504, 4380, 4672, 5840, 7008, 8760, 9344, 11680, 14016, 17520, 23360, 28032, 35040, 35117, 46720, 70080, 70234, 105351, 140160, 140468, 175585, 210702, 280936, 351170, 421404, 526755, 561872, 702340, 842808, 1053510, 1123744, 1404680, 1685616, 2107020, 2247488, 2563541, 2809360, 3371232, 4214040, 4494976, 5127082, 5618720, 6742464, 7690623, 8428080, 10254164, 11237440, 12817705, 13484928, 15381246, 16856160, 20508328, 22474880, 25635410, 30762492, 33712320, 38453115, 41016656, 51270820, 61524984, 67424640, 76906230, 82033312, 102541640, 123049968, 153812460, 164066624, 205083280, 246099936, 307624920, 328133248, 410166560, 492199872, 615249840, 820333120, 984399744, 1230499680, 1640666240, 2460999360, 4921998720]

約数ペア:
[(1, 4921998720), (2, 2460999360), (3, 1640666240), (4, 1230499680), (5, 984399744), (6, 820333120), (8, 615249840), (10, 492199872), (12, 410166560), (15, 328133248), (16, 307624920), (20, 246099936), (24, 205083280), (30, 164066624), (32, 153812460), (40, 123049968), (48, 102541640), (60, 82033312), (64, 76906230), (73, 67424640), (80, 61524984), (96, 51270820), (120, 41016656), (128, 38453115), (146, 33712320), (160, 30762492), (192, 25635410), (219, 22474880), (240, 20508328), (292, 16856160), (320, 15381246), (365, 13484928), (384, 12817705), (438, 11237440), (480, 10254164), (584, 8428080), (640, 7690623), (730, 6742464), (876, 5618720), (960, 5127082), (1095, 4494976), (1168, 4214040), (1460, 3371232), (1752, 2809360), (1920, 2563541), (2190, 2247488), (2336, 2107020), (2920, 1685616), (3504, 1404680), (4380, 1123744), (4672, 1053510), (5840, 842808), (7008, 702340), (8760, 561872), (9344, 526755), (11680, 421404), (14016, 351170), (17520, 280936), (23360, 210702), (28032, 175585), (35040, 140468), (35117, 140160), (46720, 105351), (70080, 70234)]

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