28984970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 61252200

約数和(自身を除く): 32267230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 149, 245, 298, 397, 490, 745, 794, 1043, 1490, 1985, 2086, 2779, 3970, 5215, 5558, 7301, 10430, 13895, 14602, 19453, 27790, 36505, 38906, 59153, 73010, 97265, 118306, 194530, 295765, 414071, 591530, 828142, 2070355, 2898497, 4140710, 5796994, 14492485, 28984970]

約数ペア:

[(1, 28984970), (2, 14492485), (5, 5796994), (7, 4140710), (10, 2898497), (14, 2070355), (35, 828142), (49, 591530), (70, 414071), (98, 295765), (149, 194530), (245, 118306), (298, 97265), (397, 73010), (490, 59153), (745, 38906), (794, 36505), (1043, 27790), (1490, 19453), (1985, 14602), (2086, 13895), (2779, 10430), (3970, 7301), (5215, 5558)]