4978740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 15126048

約数和(自身を除く): 10147308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 491, 507, 676, 780, 845, 982, 1014, 1473, 1690, 1964, 2028, 2455, 2535, 2946, 3380, 4910, 5070, 5892, 6383, 7365, 9820, 10140, 12766, 14730, 19149, 25532, 29460, 31915, 38298, 63830, 76596, 82979, 95745, 127660, 165958, 191490, 248937, 331916, 382980, 414895, 497874, 829790, 995748, 1244685, 1659580, 2489370, 4978740]

約数ペア:

[(1, 4978740), (2, 2489370), (3, 1659580), (4, 1244685), (5, 995748), (6, 829790), (10, 497874), (12, 414895), (13, 382980), (15, 331916), (20, 248937), (26, 191490), (30, 165958), (39, 127660), (52, 95745), (60, 82979), (65, 76596), (78, 63830), (130, 38298), (156, 31915), (169, 29460), (195, 25532), (260, 19149), (338, 14730), (390, 12766), (491, 10140), (507, 9820), (676, 7365), (780, 6383), (845, 5892), (982, 5070), (1014, 4910), (1473, 3380), (1690, 2946), (1964, 2535), (2028, 2455)]