29999556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 81244800

約数和(自身を除く): 51245244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 549, 684, 719, 732, 1098, 1159, 1438, 2157, 2196, 2318, 2876, 3477, 4314, 4636, 6471, 6954, 8628, 10431, 12942, 13661, 13908, 20862, 25884, 27322, 40983, 41724, 43859, 54644, 81966, 87718, 122949, 131577, 163932, 175436, 245898, 263154, 394731, 491796, 526308, 789462, 833321, 1578924, 1666642, 2499963, 3333284, 4999926, 7499889, 9999852, 14999778, 29999556]

約数ペア:

[(1, 29999556), (2, 14999778), (3, 9999852), (4, 7499889), (6, 4999926), (9, 3333284), (12, 2499963), (18, 1666642), (19, 1578924), (36, 833321), (38, 789462), (57, 526308), (61, 491796), (76, 394731), (114, 263154), (122, 245898), (171, 175436), (183, 163932), (228, 131577), (244, 122949), (342, 87718), (366, 81966), (549, 54644), (684, 43859), (719, 41724), (732, 40983), (1098, 27322), (1159, 25884), (1438, 20862), (2157, 13908), (2196, 13661), (2318, 12942), (2876, 10431), (3477, 8628), (4314, 6954), (4636, 6471)]