152211220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15313}}^1$

素因数の和:15400

約数の個数: 48

約数和(自身を含む): 370476288

約数和(自身を除く): 218265068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 15313, 30626, 61252, 76565, 107191, 153130, 214382, 306260, 428764, 535955, 1071910, 1087223, 2143820, 2174446, 4348892, 5436115, 7610561, 10872230, 15221122, 21744460, 30442244, 38052805, 76105610, 152211220]

約数ペア:

[(1, 152211220), (2, 76105610), (4, 38052805), (5, 30442244), (7, 21744460), (10, 15221122), (14, 10872230), (20, 7610561), (28, 5436115), (35, 4348892), (70, 2174446), (71, 2143820), (140, 1087223), (142, 1071910), (284, 535955), (355, 428764), (497, 306260), (710, 214382), (994, 153130), (1420, 107191), (1988, 76565), (2485, 61252), (4970, 30626), (9940, 15313)]