30609190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 59527440

約数和(自身を除く): 28918250

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 139, 190, 278, 305, 361, 610, 695, 722, 1159, 1390, 1805, 2318, 2641, 3610, 5282, 5795, 8479, 11590, 13205, 16958, 22021, 26410, 42395, 44042, 50179, 84790, 100358, 110105, 161101, 220210, 250895, 322202, 501790, 805505, 1611010, 3060919, 6121838, 15304595, 30609190]

約数ペア:

[(1, 30609190), (2, 15304595), (5, 6121838), (10, 3060919), (19, 1611010), (38, 805505), (61, 501790), (95, 322202), (122, 250895), (139, 220210), (190, 161101), (278, 110105), (305, 100358), (361, 84790), (610, 50179), (695, 44042), (722, 42395), (1159, 26410), (1390, 22021), (1805, 16958), (2318, 13205), (2641, 11590), (3610, 8479), (5282, 5795)]