212001720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{252383}}^1$

素因数の和:252404

約数の個数: 64

約数和(自身を含む): 726865920

約数和(自身を除く): 514864200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 252383, 504766, 757149, 1009532, 1261915, 1514298, 1766681, 2019064, 2523830, 3028596, 3533362, 3785745, 5047660, 5300043, 6057192, 7066724, 7571490, 8833405, 10095320, 10600086, 14133448, 15142980, 17666810, 21200172, 26500215, 30285960, 35333620, 42400344, 53000430, 70667240, 106000860, 212001720]

約数ペア:

[(1, 212001720), (2, 106000860), (3, 70667240), (4, 53000430), (5, 42400344), (6, 35333620), (7, 30285960), (8, 26500215), (10, 21200172), (12, 17666810), (14, 15142980), (15, 14133448), (20, 10600086), (21, 10095320), (24, 8833405), (28, 7571490), (30, 7066724), (35, 6057192), (40, 5300043), (42, 5047660), (56, 3785745), (60, 3533362), (70, 3028596), (84, 2523830), (105, 2019064), (120, 1766681), (140, 1514298), (168, 1261915), (210, 1009532), (280, 757149), (420, 504766), (840, 252383)]