421150100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1498

約数の個数: 108

約数和(自身を含む): 1081297980

約数和(自身を除く): 660147880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 61, 70, 98, 100, 122, 140, 175, 196, 244, 245, 305, 350, 427, 490, 610, 700, 854, 980, 1220, 1225, 1409, 1525, 1708, 2135, 2450, 2818, 2989, 3050, 4270, 4900, 5636, 5978, 6100, 7045, 8540, 9863, 10675, 11956, 14090, 14945, 19726, 21350, 28180, 29890, 35225, 39452, 42700, 49315, 59780, 69041, 70450, 74725, 85949, 98630, 138082, 140900, 149450, 171898, 197260, 246575, 276164, 298900, 343796, 345205, 429745, 493150, 601643, 690410, 859490, 986300, 1203286, 1380820, 1718980, 1726025, 2148725, 2406572, 3008215, 3452050, 4211501, 4297450, 6016430, 6904100, 8423002, 8594900, 12032860, 15041075, 16846004, 21057505, 30082150, 42115010, 60164300, 84230020, 105287525, 210575050, 421150100]

約数ペア:

[(1, 421150100), (2, 210575050), (4, 105287525), (5, 84230020), (7, 60164300), (10, 42115010), (14, 30082150), (20, 21057505), (25, 16846004), (28, 15041075), (35, 12032860), (49, 8594900), (50, 8423002), (61, 6904100), (70, 6016430), (98, 4297450), (100, 4211501), (122, 3452050), (140, 3008215), (175, 2406572), (196, 2148725), (244, 1726025), (245, 1718980), (305, 1380820), (350, 1203286), (427, 986300), (490, 859490), (610, 690410), (700, 601643), (854, 493150), (980, 429745), (1220, 345205), (1225, 343796), (1409, 298900), (1525, 276164), (1708, 246575), (2135, 197260), (2450, 171898), (2818, 149450), (2989, 140900), (3050, 138082), (4270, 98630), (4900, 85949), (5636, 74725), (5978, 70450), (6100, 69041), (7045, 59780), (8540, 49315), (9863, 42700), (10675, 39452), (11956, 35225), (14090, 29890), (14945, 28180), (19726, 21350)]