1489408900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:459

約数の個数: 144

約数和(自身を含む): 3806006400

約数和(自身を除く): 2316597500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 173, 175, 196, 245, 251, 343, 346, 350, 490, 502, 686, 692, 700, 865, 980, 1004, 1211, 1225, 1255, 1372, 1715, 1730, 1757, 2422, 2450, 2510, 3430, 3460, 3514, 4325, 4844, 4900, 5020, 6055, 6275, 6860, 7028, 8477, 8575, 8650, 8785, 12110, 12299, 12550, 16954, 17150, 17300, 17570, 24220, 24598, 25100, 30275, 33908, 34300, 35140, 42385, 43423, 43925, 49196, 59339, 60550, 61495, 84770, 86093, 86846, 87850, 118678, 121100, 122990, 169540, 172186, 173692, 175700, 211925, 217115, 237356, 245980, 296695, 303961, 307475, 344372, 423850, 430465, 434230, 593390, 607922, 614950, 847700, 860930, 868460, 1085575, 1186780, 1215844, 1229900, 1483475, 1519805, 1721860, 2127727, 2152325, 2171150, 2966950, 3039610, 4255454, 4304650, 4342300, 5933900, 6079220, 7599025, 8510908, 8609300, 10638635, 14894089, 15198050, 21277270, 29788178, 30396100, 42554540, 53193175, 59576356, 74470445, 106386350, 148940890, 212772700, 297881780, 372352225, 744704450, 1489408900]

約数ペア:

[(1, 1489408900), (2, 744704450), (4, 372352225), (5, 297881780), (7, 212772700), (10, 148940890), (14, 106386350), (20, 74470445), (25, 59576356), (28, 53193175), (35, 42554540), (49, 30396100), (50, 29788178), (70, 21277270), (98, 15198050), (100, 14894089), (140, 10638635), (173, 8609300), (175, 8510908), (196, 7599025), (245, 6079220), (251, 5933900), (343, 4342300), (346, 4304650), (350, 4255454), (490, 3039610), (502, 2966950), (686, 2171150), (692, 2152325), (700, 2127727), (865, 1721860), (980, 1519805), (1004, 1483475), (1211, 1229900), (1225, 1215844), (1255, 1186780), (1372, 1085575), (1715, 868460), (1730, 860930), (1757, 847700), (2422, 614950), (2450, 607922), (2510, 593390), (3430, 434230), (3460, 430465), (3514, 423850), (4325, 344372), (4844, 307475), (4900, 303961), (5020, 296695), (6055, 245980), (6275, 237356), (6860, 217115), (7028, 211925), (8477, 175700), (8575, 173692), (8650, 172186), (8785, 169540), (12110, 122990), (12299, 121100), (12550, 118678), (16954, 87850), (17150, 86846), (17300, 86093), (17570, 84770), (24220, 61495), (24598, 60550), (25100, 59339), (30275, 49196), (33908, 43925), (34300, 43423), (35140, 42385)]