28776370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 33431630

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 89, 149, 155, 178, 217, 298, 310, 434, 445, 623, 745, 890, 1043, 1085, 1246, 1490, 2086, 2170, 2759, 3115, 4619, 5215, 5518, 6230, 9238, 10430, 13261, 13795, 19313, 23095, 26522, 27590, 32333, 38626, 46190, 64666, 66305, 92827, 96565, 132610, 161665, 185654, 193130, 323330, 411091, 464135, 822182, 928270, 2055455, 2877637, 4110910, 5755274, 14388185, 28776370]

約数ペア:

[(1, 28776370), (2, 14388185), (5, 5755274), (7, 4110910), (10, 2877637), (14, 2055455), (31, 928270), (35, 822182), (62, 464135), (70, 411091), (89, 323330), (149, 193130), (155, 185654), (178, 161665), (217, 132610), (298, 96565), (310, 92827), (434, 66305), (445, 64666), (623, 46190), (745, 38626), (890, 32333), (1043, 27590), (1085, 26522), (1246, 23095), (1490, 19313), (2086, 13795), (2170, 13261), (2759, 10430), (3115, 9238), (4619, 6230), (5215, 5518)]