177213980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5393}}^1$

素因数の和:5486

約数の個数: 48

約数和(自身を含む): 391474944

約数和(自身を除く): 214260964

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 3286, 5393, 6572, 8215, 10786, 16430, 21572, 26965, 32860, 53930, 107860, 167183, 285829, 334366, 571658, 668732, 835915, 1143316, 1429145, 1671830, 2858290, 3343660, 5716580, 8860699, 17721398, 35442796, 44303495, 88606990, 177213980]

約数ペア:

[(1, 177213980), (2, 88606990), (4, 44303495), (5, 35442796), (10, 17721398), (20, 8860699), (31, 5716580), (53, 3343660), (62, 2858290), (106, 1671830), (124, 1429145), (155, 1143316), (212, 835915), (265, 668732), (310, 571658), (530, 334366), (620, 285829), (1060, 167183), (1643, 107860), (3286, 53930), (5393, 32860), (6572, 26965), (8215, 21572), (10786, 16430)]