209190540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{997}}^1$

素因数の和:1291

約数の個数: 96

約数和(自身を含む): 633769920

約数和(自身を除く): 424579380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 269, 390, 538, 780, 807, 997, 1076, 1345, 1614, 1994, 2690, 2991, 3228, 3497, 3988, 4035, 4985, 5380, 5982, 6994, 8070, 9970, 10491, 11964, 12961, 13988, 14955, 16140, 17485, 19940, 20982, 25922, 29910, 34970, 38883, 41964, 51844, 52455, 59820, 64805, 69940, 77766, 104910, 129610, 155532, 194415, 209820, 259220, 268193, 388830, 536386, 777660, 804579, 1072772, 1340965, 1609158, 2681930, 3218316, 3486509, 4022895, 5363860, 6973018, 8045790, 10459527, 13946036, 16091580, 17432545, 20919054, 34865090, 41838108, 52297635, 69730180, 104595270, 209190540]

約数ペア:

[(1, 209190540), (2, 104595270), (3, 69730180), (4, 52297635), (5, 41838108), (6, 34865090), (10, 20919054), (12, 17432545), (13, 16091580), (15, 13946036), (20, 10459527), (26, 8045790), (30, 6973018), (39, 5363860), (52, 4022895), (60, 3486509), (65, 3218316), (78, 2681930), (130, 1609158), (156, 1340965), (195, 1072772), (260, 804579), (269, 777660), (390, 536386), (538, 388830), (780, 268193), (807, 259220), (997, 209820), (1076, 194415), (1345, 155532), (1614, 129610), (1994, 104910), (2690, 77766), (2991, 69940), (3228, 64805), (3497, 59820), (3988, 52455), (4035, 51844), (4985, 41964), (5380, 38883), (5982, 34970), (6994, 29910), (8070, 25922), (9970, 20982), (10491, 19940), (11964, 17485), (12961, 16140), (13988, 14955)]