20914420450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{353}}^1\times {\mathrm{1399}}^1$

素因数の和:1793

約数の個数: 144

約数和(自身を含む): 49040611200

約数和(自身を除く): 28126190750

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 154, 175, 242, 275, 350, 353, 385, 550, 605, 706, 770, 847, 1210, 1399, 1694, 1765, 1925, 2471, 2798, 3025, 3530, 3850, 3883, 4235, 4942, 6050, 6995, 7766, 8470, 8825, 9793, 12355, 13990, 15389, 17650, 19415, 19586, 21175, 24710, 27181, 30778, 34975, 38830, 42350, 42713, 48965, 54362, 61775, 69950, 76945, 85426, 97075, 97930, 107723, 123550, 135905, 153890, 169279, 194150, 213565, 215446, 244825, 271810, 298991, 338558, 384725, 427130, 489650, 493847, 538615, 597982, 679525, 769450, 846395, 987694, 1067825, 1077230, 1184953, 1359050, 1494955, 1692790, 2135650, 2369906, 2469235, 2693075, 2989910, 3456929, 4231975, 4938470, 5386150, 5432317, 5924765, 6913858, 7474775, 8463950, 10864634, 11849530, 12346175, 14949550, 17284645, 24692350, 27161585, 29623825, 34569290, 38026219, 54323170, 59247650, 59755487, 76052438, 86423225, 119510974, 135807925, 172846450, 190131095, 271615850, 298777435, 380262190, 418288409, 597554870, 836576818, 950655475, 1493887175, 1901310950, 2091442045, 2987774350, 4182884090, 10457210225, 20914420450]

約数ペア:

[(1, 20914420450), (2, 10457210225), (5, 4182884090), (7, 2987774350), (10, 2091442045), (11, 1901310950), (14, 1493887175), (22, 950655475), (25, 836576818), (35, 597554870), (50, 418288409), (55, 380262190), (70, 298777435), (77, 271615850), (110, 190131095), (121, 172846450), (154, 135807925), (175, 119510974), (242, 86423225), (275, 76052438), (350, 59755487), (353, 59247650), (385, 54323170), (550, 38026219), (605, 34569290), (706, 29623825), (770, 27161585), (847, 24692350), (1210, 17284645), (1399, 14949550), (1694, 12346175), (1765, 11849530), (1925, 10864634), (2471, 8463950), (2798, 7474775), (3025, 6913858), (3530, 5924765), (3850, 5432317), (3883, 5386150), (4235, 4938470), (4942, 4231975), (6050, 3456929), (6995, 2989910), (7766, 2693075), (8470, 2469235), (8825, 2369906), (9793, 2135650), (12355, 1692790), (13990, 1494955), (15389, 1359050), (17650, 1184953), (19415, 1077230), (19586, 1067825), (21175, 987694), (24710, 846395), (27181, 769450), (30778, 679525), (34975, 597982), (38830, 538615), (42350, 493847), (42713, 489650), (48965, 427130), (54362, 384725), (61775, 338558), (69950, 298991), (76945, 271810), (85426, 244825), (97075, 215446), (97930, 213565), (107723, 194150), (123550, 169279), (135905, 153890)]