31657430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 70498512

約数和(自身を除く): 38841082

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 53, 70, 98, 106, 115, 161, 230, 245, 265, 322, 371, 490, 530, 742, 805, 1127, 1219, 1610, 1855, 2254, 2438, 2597, 2809, 3710, 5194, 5618, 5635, 6095, 8533, 11270, 12190, 12985, 14045, 17066, 19663, 25970, 28090, 39326, 42665, 59731, 64607, 85330, 98315, 119462, 129214, 137641, 196630, 275282, 298655, 323035, 452249, 597310, 646070, 688205, 904498, 1376410, 2261245, 3165743, 4522490, 6331486, 15828715, 31657430]

約数ペア:

[(1, 31657430), (2, 15828715), (5, 6331486), (7, 4522490), (10, 3165743), (14, 2261245), (23, 1376410), (35, 904498), (46, 688205), (49, 646070), (53, 597310), (70, 452249), (98, 323035), (106, 298655), (115, 275282), (161, 196630), (230, 137641), (245, 129214), (265, 119462), (322, 98315), (371, 85330), (490, 64607), (530, 59731), (742, 42665), (805, 39326), (1127, 28090), (1219, 25970), (1610, 19663), (1855, 17066), (2254, 14045), (2438, 12985), (2597, 12190), (2809, 11270), (3710, 8533), (5194, 6095), (5618, 5635)]