290996790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{197957}}^1$

素因数の和:197981

約数の個数: 48

約数和(自身を含む): 812419632

約数和(自身を除く): 521422842

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 197957, 395914, 593871, 989785, 1187742, 1385699, 1979570, 2771398, 2969355, 4157097, 5938710, 6928495, 8314194, 9699893, 13856990, 19399786, 20785485, 29099679, 41570970, 48499465, 58199358, 96998930, 145498395, 290996790]

約数ペア:

[(1, 290996790), (2, 145498395), (3, 96998930), (5, 58199358), (6, 48499465), (7, 41570970), (10, 29099679), (14, 20785485), (15, 19399786), (21, 13856990), (30, 9699893), (35, 8314194), (42, 6928495), (49, 5938710), (70, 4157097), (98, 2969355), (105, 2771398), (147, 1979570), (210, 1385699), (245, 1187742), (294, 989785), (490, 593871), (735, 395914), (1470, 197957)]