About the Number

3897900

3897899 ← → 3897901

2進数表記:1110110111101000101100

漢数字表記:三百八十九万七千九百

素因数分解:

2 2 × 3 2 × 5 2 × 61 1 × 71 1

素因数の和:152
約数の個数: 108
約数和(自身を含む): 12592944
約数和(自身を除く): 8695044

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 61, 71, 75, 90, 100, 122, 142, 150, 180, 183, 213, 225, 244, 284, 300, 305, 355, 366, 426, 450, 549, 610, 639, 710, 732, 852, 900, 915, 1065, 1098, 1220, 1278, 1420, 1525, 1775, 1830, 2130, 2196, 2556, 2745, 3050, 3195, 3550, 3660, 4260, 4331, 4575, 5325, 5490, 6100, 6390, 7100, 8662, 9150, 10650, 10980, 12780, 12993, 13725, 15975, 17324, 18300, 21300, 21655, 25986, 27450, 31950, 38979, 43310, 51972, 54900, 63900, 64965, 77958, 86620, 108275, 129930, 155916, 194895, 216550, 259860, 324825, 389790, 433100, 649650, 779580, 974475, 1299300, 1948950, 3897900]

約数ペア:
[(1, 3897900), (2, 1948950), (3, 1299300), (4, 974475), (5, 779580), (6, 649650), (9, 433100), (10, 389790), (12, 324825), (15, 259860), (18, 216550), (20, 194895), (25, 155916), (30, 129930), (36, 108275), (45, 86620), (50, 77958), (60, 64965), (61, 63900), (71, 54900), (75, 51972), (90, 43310), (100, 38979), (122, 31950), (142, 27450), (150, 25986), (180, 21655), (183, 21300), (213, 18300), (225, 17324), (244, 15975), (284, 13725), (300, 12993), (305, 12780), (355, 10980), (366, 10650), (426, 9150), (450, 8662), (549, 7100), (610, 6390), (639, 6100), (710, 5490), (732, 5325), (852, 4575), (900, 4331), (915, 4260), (1065, 3660), (1098, 3550), (1220, 3195), (1278, 3050), (1420, 2745), (1525, 2556), (1775, 2196), (1830, 2130)]

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