219216530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 452819808

約数和(自身を除く): 233603278

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 281, 353, 442, 562, 706, 1105, 1405, 1765, 2210, 2810, 3530, 3653, 4589, 4777, 6001, 7306, 9178, 9554, 12002, 18265, 22945, 23885, 30005, 36530, 45890, 47770, 60010, 62101, 78013, 99193, 124202, 156026, 198386, 310505, 390065, 495965, 621010, 780130, 991930, 1289509, 1686281, 2579018, 3372562, 6447545, 8431405, 12895090, 16862810, 21921653, 43843306, 109608265, 219216530]

約数ペア:

[(1, 219216530), (2, 109608265), (5, 43843306), (10, 21921653), (13, 16862810), (17, 12895090), (26, 8431405), (34, 6447545), (65, 3372562), (85, 2579018), (130, 1686281), (170, 1289509), (221, 991930), (281, 780130), (353, 621010), (442, 495965), (562, 390065), (706, 310505), (1105, 198386), (1405, 156026), (1765, 124202), (2210, 99193), (2810, 78013), (3530, 62101), (3653, 60010), (4589, 47770), (4777, 45890), (6001, 36530), (7306, 30005), (9178, 23885), (9554, 22945), (12002, 18265)]