15684804940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{164999}}^1$

素因数の和:165119

約数の個数: 72

約数和(自身を含む): 38710980000

約数和(自身を除く): 23026175060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 970, 980, 1358, 1940, 2716, 3395, 4753, 6790, 9506, 13580, 19012, 23765, 47530, 95060, 164999, 329998, 659996, 824995, 1154993, 1649990, 2309986, 3299980, 4619972, 5774965, 8084951, 11549930, 16004903, 16169902, 23099860, 32009806, 32339804, 40424755, 64019612, 80024515, 80849510, 112034321, 160049030, 161699020, 224068642, 320098060, 448137284, 560171605, 784240247, 1120343210, 1568480494, 2240686420, 3136960988, 3921201235, 7842402470, 15684804940]

約数ペア:

[(1, 15684804940), (2, 7842402470), (4, 3921201235), (5, 3136960988), (7, 2240686420), (10, 1568480494), (14, 1120343210), (20, 784240247), (28, 560171605), (35, 448137284), (49, 320098060), (70, 224068642), (97, 161699020), (98, 160049030), (140, 112034321), (194, 80849510), (196, 80024515), (245, 64019612), (388, 40424755), (485, 32339804), (490, 32009806), (679, 23099860), (970, 16169902), (980, 16004903), (1358, 11549930), (1940, 8084951), (2716, 5774965), (3395, 4619972), (4753, 3299980), (6790, 2309986), (9506, 1649990), (13580, 1154993), (19012, 824995), (23765, 659996), (47530, 329998), (95060, 164999)]