17388214700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{641}}^1\times {\mathrm{4447}}^1$

素因数の和:5163

約数の個数: 72

約数和(自身を含む): 38419457664

約数和(自身を除く): 21031242964

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 641, 1220, 1282, 1525, 2564, 3050, 3205, 4447, 6100, 6410, 8894, 12820, 16025, 17788, 22235, 32050, 39101, 44470, 64100, 78202, 88940, 111175, 156404, 195505, 222350, 271267, 391010, 444700, 542534, 782020, 977525, 1085068, 1356335, 1955050, 2712670, 2850527, 3910100, 5425340, 5701054, 6781675, 11402108, 13563350, 14252635, 27126700, 28505270, 57010540, 71263175, 142526350, 173882147, 285052700, 347764294, 695528588, 869410735, 1738821470, 3477642940, 4347053675, 8694107350, 17388214700]

約数ペア:

[(1, 17388214700), (2, 8694107350), (4, 4347053675), (5, 3477642940), (10, 1738821470), (20, 869410735), (25, 695528588), (50, 347764294), (61, 285052700), (100, 173882147), (122, 142526350), (244, 71263175), (305, 57010540), (610, 28505270), (641, 27126700), (1220, 14252635), (1282, 13563350), (1525, 11402108), (2564, 6781675), (3050, 5701054), (3205, 5425340), (4447, 3910100), (6100, 2850527), (6410, 2712670), (8894, 1955050), (12820, 1356335), (16025, 1085068), (17788, 977525), (22235, 782020), (32050, 542534), (39101, 444700), (44470, 391010), (64100, 271267), (78202, 222350), (88940, 195505), (111175, 156404)]