2016341425

素因数分解:

$5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 2992308480

約数和(自身を除く): 975967055

約数列:

[1, 5, 7, 25, 35, 49, 71, 97, 175, 239, 245, 355, 485, 497, 679, 1195, 1225, 1673, 1775, 2425, 2485, 3395, 3479, 4753, 5975, 6887, 8365, 11711, 12425, 16969, 16975, 17395, 23183, 23765, 34435, 41825, 48209, 58555, 84845, 86975, 115915, 118783, 118825, 162281, 172175, 241045, 292775, 337463, 424225, 579575, 593915, 811405, 831481, 1135967, 1205225, 1645993, 1687315, 2969575, 4057025, 4157405, 5679835, 8229965, 8436575, 11521951, 20787025, 28399175, 41149825, 57609755, 80653657, 288048775, 403268285, 2016341425]

約数ペア:

[(1, 2016341425), (5, 403268285), (7, 288048775), (25, 80653657), (35, 57609755), (49, 41149825), (71, 28399175), (97, 20787025), (175, 11521951), (239, 8436575), (245, 8229965), (355, 5679835), (485, 4157405), (497, 4057025), (679, 2969575), (1195, 1687315), (1225, 1645993), (1673, 1205225), (1775, 1135967), (2425, 831481), (2485, 811405), (3395, 593915), (3479, 579575), (4753, 424225), (5975, 337463), (6887, 292775), (8365, 241045), (11711, 172175), (12425, 162281), (16969, 118825), (16975, 118783), (17395, 115915), (23183, 86975), (23765, 84845), (34435, 58555), (41825, 48209)]