13909700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 35664384

約数和(自身を除く): 21754684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 641, 700, 775, 868, 1085, 1282, 1550, 2170, 2564, 3100, 3205, 4340, 4487, 5425, 6410, 8974, 10850, 12820, 16025, 17948, 19871, 21700, 22435, 32050, 39742, 44870, 64100, 79484, 89740, 99355, 112175, 139097, 198710, 224350, 278194, 397420, 448700, 496775, 556388, 695485, 993550, 1390970, 1987100, 2781940, 3477425, 6954850, 13909700]

約数ペア:

[(1, 13909700), (2, 6954850), (4, 3477425), (5, 2781940), (7, 1987100), (10, 1390970), (14, 993550), (20, 695485), (25, 556388), (28, 496775), (31, 448700), (35, 397420), (50, 278194), (62, 224350), (70, 198710), (100, 139097), (124, 112175), (140, 99355), (155, 89740), (175, 79484), (217, 64100), (310, 44870), (350, 39742), (434, 32050), (620, 22435), (641, 21700), (700, 19871), (775, 17948), (868, 16025), (1085, 12820), (1282, 10850), (1550, 8974), (2170, 6410), (2564, 5425), (3100, 4487), (3205, 4340)]