128519370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{203999}}^1$

素因数の和:204019

約数の個数: 48

約数和(自身を含む): 381888000

約数和(自身を除く): 253368630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 203999, 407998, 611997, 1019995, 1223994, 1427993, 1835991, 2039990, 2855986, 3059985, 3671982, 4283979, 6119970, 7139965, 8567958, 9179955, 12851937, 14279930, 18359910, 21419895, 25703874, 42839790, 64259685, 128519370]

約数ペア:

[(1, 128519370), (2, 64259685), (3, 42839790), (5, 25703874), (6, 21419895), (7, 18359910), (9, 14279930), (10, 12851937), (14, 9179955), (15, 8567958), (18, 7139965), (21, 6119970), (30, 4283979), (35, 3671982), (42, 3059985), (45, 2855986), (63, 2039990), (70, 1835991), (90, 1427993), (105, 1223994), (126, 1019995), (210, 611997), (315, 407998), (630, 203999)]