918313900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:729

約数の個数: 144

約数和(自身を含む): 2384222400

約数和(自身を除く): 1465908500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 140, 164, 175, 196, 205, 245, 287, 343, 350, 410, 490, 574, 653, 686, 700, 820, 980, 1025, 1148, 1225, 1306, 1372, 1435, 1715, 2009, 2050, 2450, 2612, 2870, 3265, 3430, 4018, 4100, 4571, 4900, 5740, 6530, 6860, 7175, 8036, 8575, 9142, 10045, 13060, 14063, 14350, 16325, 17150, 18284, 20090, 22855, 26773, 28126, 28700, 31997, 32650, 34300, 40180, 45710, 50225, 53546, 56252, 63994, 65300, 70315, 91420, 100450, 107092, 114275, 127988, 133865, 140630, 159985, 187411, 200900, 223979, 228550, 267730, 281260, 319970, 351575, 374822, 447958, 457100, 535460, 639940, 669325, 703150, 749644, 799925, 895916, 937055, 1119895, 1311877, 1338650, 1406300, 1599850, 1874110, 2239790, 2623754, 2677300, 3199700, 3748220, 4479580, 4685275, 5247508, 5599475, 6559385, 9183139, 9370550, 11198950, 13118770, 18366278, 18741100, 22397900, 26237540, 32796925, 36732556, 45915695, 65593850, 91831390, 131187700, 183662780, 229578475, 459156950, 918313900]

約数ペア:

[(1, 918313900), (2, 459156950), (4, 229578475), (5, 183662780), (7, 131187700), (10, 91831390), (14, 65593850), (20, 45915695), (25, 36732556), (28, 32796925), (35, 26237540), (41, 22397900), (49, 18741100), (50, 18366278), (70, 13118770), (82, 11198950), (98, 9370550), (100, 9183139), (140, 6559385), (164, 5599475), (175, 5247508), (196, 4685275), (205, 4479580), (245, 3748220), (287, 3199700), (343, 2677300), (350, 2623754), (410, 2239790), (490, 1874110), (574, 1599850), (653, 1406300), (686, 1338650), (700, 1311877), (820, 1119895), (980, 937055), (1025, 895916), (1148, 799925), (1225, 749644), (1306, 703150), (1372, 669325), (1435, 639940), (1715, 535460), (2009, 457100), (2050, 447958), (2450, 374822), (2612, 351575), (2870, 319970), (3265, 281260), (3430, 267730), (4018, 228550), (4100, 223979), (4571, 200900), (4900, 187411), (5740, 159985), (6530, 140630), (6860, 133865), (7175, 127988), (8036, 114275), (8575, 107092), (9142, 100450), (10045, 91420), (13060, 70315), (14063, 65300), (14350, 63994), (16325, 56252), (17150, 53546), (18284, 50225), (20090, 45710), (22855, 40180), (26773, 34300), (28126, 32650), (28700, 31997)]