202191820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 447315120

約数和(自身を除く): 245123300

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 61, 106, 118, 122, 212, 236, 244, 265, 295, 305, 530, 590, 610, 1060, 1180, 1220, 2809, 3127, 3233, 3599, 5618, 6254, 6466, 7198, 11236, 12508, 12932, 14045, 14396, 15635, 16165, 17995, 28090, 31270, 32330, 35990, 56180, 62540, 64660, 71980, 165731, 171349, 190747, 331462, 342698, 381494, 662924, 685396, 762988, 828655, 856745, 953735, 1657310, 1713490, 1907470, 3314620, 3426980, 3814940, 10109591, 20219182, 40438364, 50547955, 101095910, 202191820]

約数ペア:

[(1, 202191820), (2, 101095910), (4, 50547955), (5, 40438364), (10, 20219182), (20, 10109591), (53, 3814940), (59, 3426980), (61, 3314620), (106, 1907470), (118, 1713490), (122, 1657310), (212, 953735), (236, 856745), (244, 828655), (265, 762988), (295, 685396), (305, 662924), (530, 381494), (590, 342698), (610, 331462), (1060, 190747), (1180, 171349), (1220, 165731), (2809, 71980), (3127, 64660), (3233, 62540), (3599, 56180), (5618, 35990), (6254, 32330), (6466, 31270), (7198, 28090), (11236, 17995), (12508, 16165), (12932, 15635), (14045, 14396)]