61272340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 136120320

約数和(自身を除く): 74847980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 383, 421, 766, 842, 1532, 1684, 1915, 2105, 3830, 4210, 7277, 7660, 7999, 8420, 14554, 15998, 29108, 31996, 36385, 39995, 72770, 79990, 145540, 159980, 161243, 322486, 644972, 806215, 1612430, 3063617, 3224860, 6127234, 12254468, 15318085, 30636170, 61272340]

約数ペア:

[(1, 61272340), (2, 30636170), (4, 15318085), (5, 12254468), (10, 6127234), (19, 3224860), (20, 3063617), (38, 1612430), (76, 806215), (95, 644972), (190, 322486), (380, 161243), (383, 159980), (421, 145540), (766, 79990), (842, 72770), (1532, 39995), (1684, 36385), (1915, 31996), (2105, 29108), (3830, 15998), (4210, 14554), (7277, 8420), (7660, 7999)]