About the Number

121898400

121898399 ← → 121898401

2進数表記:111010001000000010110100000

漢数字表記:一億二千百八十九万八千四百

素因数分解:

2 5 × 3 1 × 5 2 × 13 1 × 3907 1

素因数の和:3943
約数の個数: 144
約数和(自身を含む): 427410144
約数和(自身を除く): 305511744

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 975, 1040, 1200, 1248, 1300, 1560, 1950, 2080, 2400, 2600, 3120, 3900, 3907, 5200, 6240, 7800, 7814, 10400, 11721, 15600, 15628, 19535, 23442, 31200, 31256, 39070, 46884, 50791, 58605, 62512, 78140, 93768, 97675, 101582, 117210, 125024, 152373, 156280, 187536, 195350, 203164, 234420, 253955, 293025, 304746, 312560, 375072, 390700, 406328, 468840, 507910, 586050, 609492, 625120, 761865, 781400, 812656, 937680, 1015820, 1172100, 1218984, 1269775, 1523730, 1562800, 1625312, 1875360, 2031640, 2344200, 2437968, 2539550, 3047460, 3125600, 3809325, 4063280, 4688400, 4875936, 5079100, 6094920, 7618650, 8126560, 9376800, 10158200, 12189840, 15237300, 20316400, 24379680, 30474600, 40632800, 60949200, 121898400]

約数ペア:
[(1, 121898400), (2, 60949200), (3, 40632800), (4, 30474600), (5, 24379680), (6, 20316400), (8, 15237300), (10, 12189840), (12, 10158200), (13, 9376800), (15, 8126560), (16, 7618650), (20, 6094920), (24, 5079100), (25, 4875936), (26, 4688400), (30, 4063280), (32, 3809325), (39, 3125600), (40, 3047460), (48, 2539550), (50, 2437968), (52, 2344200), (60, 2031640), (65, 1875360), (75, 1625312), (78, 1562800), (80, 1523730), (96, 1269775), (100, 1218984), (104, 1172100), (120, 1015820), (130, 937680), (150, 812656), (156, 781400), (160, 761865), (195, 625120), (200, 609492), (208, 586050), (240, 507910), (260, 468840), (300, 406328), (312, 390700), (325, 375072), (390, 312560), (400, 304746), (416, 293025), (480, 253955), (520, 234420), (600, 203164), (624, 195350), (650, 187536), (780, 156280), (800, 152373), (975, 125024), (1040, 117210), (1200, 101582), (1248, 97675), (1300, 93768), (1560, 78140), (1950, 62512), (2080, 58605), (2400, 50791), (2600, 46884), (3120, 39070), (3900, 31256), (3907, 31200), (5200, 23442), (6240, 19535), (7800, 15628), (7814, 15600), (10400, 11721)]

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