102105220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2489

約数の個数: 72

約数和(自身を含む): 255334464

約数和(自身を除く): 153229244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 2423, 3010, 4214, 4846, 6020, 8428, 9692, 10535, 12115, 16961, 21070, 24230, 33922, 42140, 48460, 67844, 84805, 104189, 118727, 169610, 208378, 237454, 339220, 416756, 474908, 520945, 593635, 729323, 1041890, 1187270, 1458646, 2083780, 2374540, 2917292, 3646615, 5105261, 7293230, 10210522, 14586460, 20421044, 25526305, 51052610, 102105220]

約数ペア:

[(1, 102105220), (2, 51052610), (4, 25526305), (5, 20421044), (7, 14586460), (10, 10210522), (14, 7293230), (20, 5105261), (28, 3646615), (35, 2917292), (43, 2374540), (49, 2083780), (70, 1458646), (86, 1187270), (98, 1041890), (140, 729323), (172, 593635), (196, 520945), (215, 474908), (245, 416756), (301, 339220), (430, 237454), (490, 208378), (602, 169610), (860, 118727), (980, 104189), (1204, 84805), (1505, 67844), (2107, 48460), (2423, 42140), (3010, 33922), (4214, 24230), (4846, 21070), (6020, 16961), (8428, 12115), (9692, 10535)]