2019550180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 4521710592

約数和(自身を除く): 2502160412

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 67, 122, 124, 134, 155, 244, 268, 305, 310, 335, 610, 620, 670, 797, 1220, 1340, 1594, 1891, 2077, 3188, 3782, 3985, 4087, 4154, 7564, 7970, 8174, 8308, 9455, 10385, 15940, 16348, 18910, 20435, 20770, 24707, 37820, 40870, 41540, 48617, 49414, 53399, 81740, 97234, 98828, 106798, 123535, 126697, 194468, 213596, 243085, 247070, 253394, 266995, 486170, 494140, 506788, 533990, 633485, 972340, 1067980, 1266970, 1507127, 1655369, 2533940, 3014254, 3257339, 3310738, 6028508, 6514678, 6621476, 7535635, 8276845, 13029356, 15071270, 16286695, 16553690, 30142540, 32573390, 33107380, 65146780, 100977509, 201955018, 403910036, 504887545, 1009775090, 2019550180]

約数ペア:

[(1, 2019550180), (2, 1009775090), (4, 504887545), (5, 403910036), (10, 201955018), (20, 100977509), (31, 65146780), (61, 33107380), (62, 32573390), (67, 30142540), (122, 16553690), (124, 16286695), (134, 15071270), (155, 13029356), (244, 8276845), (268, 7535635), (305, 6621476), (310, 6514678), (335, 6028508), (610, 3310738), (620, 3257339), (670, 3014254), (797, 2533940), (1220, 1655369), (1340, 1507127), (1594, 1266970), (1891, 1067980), (2077, 972340), (3188, 633485), (3782, 533990), (3985, 506788), (4087, 494140), (4154, 486170), (7564, 266995), (7970, 253394), (8174, 247070), (8308, 243085), (9455, 213596), (10385, 194468), (15940, 126697), (16348, 123535), (18910, 106798), (20435, 98828), (20770, 97234), (24707, 81740), (37820, 53399), (40870, 49414), (41540, 48617)]