420221480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78989}}^1$

素因数の和:79026

約数の個数: 64

約数和(自身を含む): 1137456000

約数和(自身を除く): 717234520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 78989, 157978, 315956, 394945, 552923, 631912, 789890, 1105846, 1500791, 1579780, 2211692, 2764615, 3001582, 3159560, 4423384, 5529230, 6003164, 7503955, 10505537, 11058460, 12006328, 15007910, 21011074, 22116920, 30015820, 42022148, 52527685, 60031640, 84044296, 105055370, 210110740, 420221480]

約数ペア:

[(1, 420221480), (2, 210110740), (4, 105055370), (5, 84044296), (7, 60031640), (8, 52527685), (10, 42022148), (14, 30015820), (19, 22116920), (20, 21011074), (28, 15007910), (35, 12006328), (38, 11058460), (40, 10505537), (56, 7503955), (70, 6003164), (76, 5529230), (95, 4423384), (133, 3159560), (140, 3001582), (152, 2764615), (190, 2211692), (266, 1579780), (280, 1500791), (380, 1105846), (532, 789890), (665, 631912), (760, 552923), (1064, 394945), (1330, 315956), (2660, 157978), (5320, 78989)]