998021220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{4297}}^1$

素因数の和:4402

約数の個数: 144

約数和(自身を含む): 3292611840

約数和(自身を除く): 2294590620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 245, 294, 316, 395, 420, 474, 490, 553, 588, 735, 790, 948, 980, 1106, 1185, 1470, 1580, 1659, 2212, 2370, 2765, 2940, 3318, 3871, 4297, 4740, 5530, 6636, 7742, 8295, 8594, 11060, 11613, 12891, 15484, 16590, 17188, 19355, 21485, 23226, 25782, 30079, 33180, 38710, 42970, 46452, 51564, 58065, 60158, 64455, 77420, 85940, 90237, 116130, 120316, 128910, 150395, 180474, 210553, 232260, 257820, 300790, 339463, 360948, 421106, 451185, 601580, 631659, 678926, 842212, 902370, 1018389, 1052765, 1263318, 1357852, 1697315, 1804740, 2036778, 2105530, 2376241, 2526636, 3158295, 3394630, 4073556, 4211060, 4752482, 5091945, 6316590, 6789260, 7128723, 9504964, 10183890, 11881205, 12633180, 14257446, 16633687, 20367780, 23762410, 28514892, 33267374, 35643615, 47524820, 49901061, 66534748, 71287230, 83168435, 99802122, 142574460, 166336870, 199604244, 249505305, 332673740, 499010610, 998021220]

約数ペア:

[(1, 998021220), (2, 499010610), (3, 332673740), (4, 249505305), (5, 199604244), (6, 166336870), (7, 142574460), (10, 99802122), (12, 83168435), (14, 71287230), (15, 66534748), (20, 49901061), (21, 47524820), (28, 35643615), (30, 33267374), (35, 28514892), (42, 23762410), (49, 20367780), (60, 16633687), (70, 14257446), (79, 12633180), (84, 11881205), (98, 10183890), (105, 9504964), (140, 7128723), (147, 6789260), (158, 6316590), (196, 5091945), (210, 4752482), (237, 4211060), (245, 4073556), (294, 3394630), (316, 3158295), (395, 2526636), (420, 2376241), (474, 2105530), (490, 2036778), (553, 1804740), (588, 1697315), (735, 1357852), (790, 1263318), (948, 1052765), (980, 1018389), (1106, 902370), (1185, 842212), (1470, 678926), (1580, 631659), (1659, 601580), (2212, 451185), (2370, 421106), (2765, 360948), (2940, 339463), (3318, 300790), (3871, 257820), (4297, 232260), (4740, 210553), (5530, 180474), (6636, 150395), (7742, 128910), (8295, 120316), (8594, 116130), (11060, 90237), (11613, 85940), (12891, 77420), (15484, 64455), (16590, 60158), (17188, 58065), (19355, 51564), (21485, 46452), (23226, 42970), (25782, 38710), (30079, 33180)]