213279850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:620

約数の個数: 72

約数和(自身を含む): 464622048

約数和(自身を除く): 251342198

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 263, 331, 350, 490, 526, 662, 1225, 1315, 1655, 1841, 2317, 2450, 2630, 3310, 3682, 4634, 6575, 8275, 9205, 11585, 12887, 13150, 16219, 16550, 18410, 23170, 25774, 32438, 46025, 57925, 64435, 81095, 87053, 92050, 115850, 128870, 162190, 174106, 322175, 405475, 435265, 609371, 644350, 810950, 870530, 1218742, 2176325, 3046855, 4265597, 4352650, 6093710, 8531194, 15234275, 21327985, 30468550, 42655970, 106639925, 213279850]

約数ペア:

[(1, 213279850), (2, 106639925), (5, 42655970), (7, 30468550), (10, 21327985), (14, 15234275), (25, 8531194), (35, 6093710), (49, 4352650), (50, 4265597), (70, 3046855), (98, 2176325), (175, 1218742), (245, 870530), (263, 810950), (331, 644350), (350, 609371), (490, 435265), (526, 405475), (662, 322175), (1225, 174106), (1315, 162190), (1655, 128870), (1841, 115850), (2317, 92050), (2450, 87053), (2630, 81095), (3310, 64435), (3682, 57925), (4634, 46025), (6575, 32438), (8275, 25774), (9205, 23170), (11585, 18410), (12887, 16550), (13150, 16219)]