30990890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19249}}^1$

素因数の和:19286

約数の個数: 32

約数和(自身を含む): 66528000

約数和(自身を除く): 35537110

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 19249, 38498, 96245, 134743, 192490, 269486, 442727, 673715, 885454, 1347430, 2213635, 3099089, 4427270, 6198178, 15495445, 30990890]

約数ペア:

[(1, 30990890), (2, 15495445), (5, 6198178), (7, 4427270), (10, 3099089), (14, 2213635), (23, 1347430), (35, 885454), (46, 673715), (70, 442727), (115, 269486), (161, 192490), (230, 134743), (322, 96245), (805, 38498), (1610, 19249)]