219667980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{74717}}^1$

素因数の和:74743

約数の個数: 72

約数和(自身を含む): 715499568

約数和(自身を除く): 495831588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 74717, 149434, 224151, 298868, 373585, 448302, 523019, 747170, 896604, 1046038, 1120755, 1494340, 1569057, 2092076, 2241510, 2615095, 3138114, 3661133, 4483020, 5230190, 6276228, 7322266, 7845285, 10460380, 10983399, 14644532, 15690570, 18305665, 21966798, 31381140, 36611330, 43933596, 54916995, 73222660, 109833990, 219667980]

約数ペア:

[(1, 219667980), (2, 109833990), (3, 73222660), (4, 54916995), (5, 43933596), (6, 36611330), (7, 31381140), (10, 21966798), (12, 18305665), (14, 15690570), (15, 14644532), (20, 10983399), (21, 10460380), (28, 7845285), (30, 7322266), (35, 6276228), (42, 5230190), (49, 4483020), (60, 3661133), (70, 3138114), (84, 2615095), (98, 2241510), (105, 2092076), (140, 1569057), (147, 1494340), (196, 1120755), (210, 1046038), (245, 896604), (294, 747170), (420, 523019), (490, 448302), (588, 373585), (735, 298868), (980, 224151), (1470, 149434), (2940, 74717)]