138246920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3769}}^1$

素因数の和:3918

約数の個数: 64

約数和(自身を含む): 358300800

約数和(自身を除く): 220053880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 3769, 4585, 5240, 7336, 7538, 9170, 15076, 18340, 18845, 26383, 30152, 36680, 37690, 52766, 75380, 105532, 131915, 150760, 211064, 263830, 493739, 527660, 987478, 1055320, 1974956, 2468695, 3456173, 3949912, 4937390, 6912346, 9874780, 13824692, 17280865, 19749560, 27649384, 34561730, 69123460, 138246920]

約数ペア:

[(1, 138246920), (2, 69123460), (4, 34561730), (5, 27649384), (7, 19749560), (8, 17280865), (10, 13824692), (14, 9874780), (20, 6912346), (28, 4937390), (35, 3949912), (40, 3456173), (56, 2468695), (70, 1974956), (131, 1055320), (140, 987478), (262, 527660), (280, 493739), (524, 263830), (655, 211064), (917, 150760), (1048, 131915), (1310, 105532), (1834, 75380), (2620, 52766), (3668, 37690), (3769, 36680), (4585, 30152), (5240, 26383), (7336, 18845), (7538, 18340), (9170, 15076)]