8400420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 29877120

約数和(自身を除く): 21476700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 113, 118, 126, 140, 177, 180, 210, 226, 236, 252, 295, 315, 339, 354, 413, 420, 452, 531, 565, 590, 630, 678, 708, 791, 826, 885, 1017, 1062, 1130, 1180, 1239, 1260, 1356, 1582, 1652, 1695, 1770, 2034, 2065, 2124, 2260, 2373, 2478, 2655, 3164, 3390, 3540, 3717, 3955, 4068, 4130, 4746, 4956, 5085, 5310, 6195, 6667, 6780, 7119, 7434, 7910, 8260, 9492, 10170, 10620, 11865, 12390, 13334, 14238, 14868, 15820, 18585, 20001, 20340, 23730, 24780, 26668, 28476, 33335, 35595, 37170, 40002, 46669, 47460, 60003, 66670, 71190, 74340, 80004, 93338, 100005, 120006, 133340, 140007, 142380, 186676, 200010, 233345, 240012, 280014, 300015, 400020, 420021, 466690, 560028, 600030, 700035, 840042, 933380, 1200060, 1400070, 1680084, 2100105, 2800140, 4200210, 8400420]

約数ペア:

[(1, 8400420), (2, 4200210), (3, 2800140), (4, 2100105), (5, 1680084), (6, 1400070), (7, 1200060), (9, 933380), (10, 840042), (12, 700035), (14, 600030), (15, 560028), (18, 466690), (20, 420021), (21, 400020), (28, 300015), (30, 280014), (35, 240012), (36, 233345), (42, 200010), (45, 186676), (59, 142380), (60, 140007), (63, 133340), (70, 120006), (84, 100005), (90, 93338), (105, 80004), (113, 74340), (118, 71190), (126, 66670), (140, 60003), (177, 47460), (180, 46669), (210, 40002), (226, 37170), (236, 35595), (252, 33335), (295, 28476), (315, 26668), (339, 24780), (354, 23730), (413, 20340), (420, 20001), (452, 18585), (531, 15820), (565, 14868), (590, 14238), (630, 13334), (678, 12390), (708, 11865), (791, 10620), (826, 10170), (885, 9492), (1017, 8260), (1062, 7910), (1130, 7434), (1180, 7119), (1239, 6780), (1260, 6667), (1356, 6195), (1582, 5310), (1652, 5085), (1695, 4956), (1770, 4746), (2034, 4130), (2065, 4068), (2124, 3955), (2260, 3717), (2373, 3540), (2478, 3390), (2655, 3164)]