12493139820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29745571}}^1$

素因数の和:29745590

約数の個数: 48

約数和(自身を含む): 39978048768

約数和(自身を除く): 27484908948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 29745571, 59491142, 89236713, 118982284, 148727855, 178473426, 208218997, 297455710, 356946852, 416437994, 446183565, 594911420, 624656991, 832875988, 892367130, 1041094985, 1249313982, 1784734260, 2082189970, 2498627964, 3123284955, 4164379940, 6246569910, 12493139820]

約数ペア:

[(1, 12493139820), (2, 6246569910), (3, 4164379940), (4, 3123284955), (5, 2498627964), (6, 2082189970), (7, 1784734260), (10, 1249313982), (12, 1041094985), (14, 892367130), (15, 832875988), (20, 624656991), (21, 594911420), (28, 446183565), (30, 416437994), (35, 356946852), (42, 297455710), (60, 208218997), (70, 178473426), (84, 148727855), (105, 118982284), (140, 89236713), (210, 59491142), (420, 29745571)]