1408372700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1459}}^1$

素因数の和:1684

約数の個数: 108

約数和(自身を含む): 3575630520

約数和(自身を除く): 2167257820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 197, 245, 350, 394, 490, 700, 788, 980, 985, 1225, 1379, 1459, 1970, 2450, 2758, 2918, 3940, 4900, 4925, 5516, 5836, 6895, 7295, 9653, 9850, 10213, 13790, 14590, 19306, 19700, 20426, 27580, 29180, 34475, 36475, 38612, 40852, 48265, 51065, 68950, 71491, 72950, 96530, 102130, 137900, 142982, 145900, 193060, 204260, 241325, 255325, 285964, 287423, 357455, 482650, 510650, 574846, 714910, 965300, 1021300, 1149692, 1429820, 1437115, 1787275, 2011961, 2874230, 3574550, 4023922, 5748460, 7149100, 7185575, 8047844, 10059805, 14083727, 14371150, 20119610, 28167454, 28742300, 40239220, 50299025, 56334908, 70418635, 100598050, 140837270, 201196100, 281674540, 352093175, 704186350, 1408372700]

約数ペア:

[(1, 1408372700), (2, 704186350), (4, 352093175), (5, 281674540), (7, 201196100), (10, 140837270), (14, 100598050), (20, 70418635), (25, 56334908), (28, 50299025), (35, 40239220), (49, 28742300), (50, 28167454), (70, 20119610), (98, 14371150), (100, 14083727), (140, 10059805), (175, 8047844), (196, 7185575), (197, 7149100), (245, 5748460), (350, 4023922), (394, 3574550), (490, 2874230), (700, 2011961), (788, 1787275), (980, 1437115), (985, 1429820), (1225, 1149692), (1379, 1021300), (1459, 965300), (1970, 714910), (2450, 574846), (2758, 510650), (2918, 482650), (3940, 357455), (4900, 287423), (4925, 285964), (5516, 255325), (5836, 241325), (6895, 204260), (7295, 193060), (9653, 145900), (9850, 142982), (10213, 137900), (13790, 102130), (14590, 96530), (19306, 72950), (19700, 71491), (20426, 68950), (27580, 51065), (29180, 48265), (34475, 40852), (36475, 38612)]