281931930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19457}}^1$

素因数の和:19500

約数の個数: 96

約数和(自身を含む): 874209024

約数和(自身を除く): 592277094

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1610, 2070, 2415, 2898, 4830, 7245, 14490, 19457, 38914, 58371, 97285, 116742, 136199, 175113, 194570, 272398, 291855, 350226, 408597, 447511, 583710, 680995, 817194, 875565, 895022, 1225791, 1342533, 1361990, 1751130, 2042985, 2237555, 2451582, 2685066, 3132577, 4027599, 4085970, 4475110, 6128955, 6265154, 6712665, 8055198, 9397731, 12257910, 13425330, 15662885, 18795462, 20137995, 28193193, 31325770, 40275990, 46988655, 56386386, 93977310, 140965965, 281931930]

約数ペア:

[(1, 281931930), (2, 140965965), (3, 93977310), (5, 56386386), (6, 46988655), (7, 40275990), (9, 31325770), (10, 28193193), (14, 20137995), (15, 18795462), (18, 15662885), (21, 13425330), (23, 12257910), (30, 9397731), (35, 8055198), (42, 6712665), (45, 6265154), (46, 6128955), (63, 4475110), (69, 4085970), (70, 4027599), (90, 3132577), (105, 2685066), (115, 2451582), (126, 2237555), (138, 2042985), (161, 1751130), (207, 1361990), (210, 1342533), (230, 1225791), (315, 895022), (322, 875565), (345, 817194), (414, 680995), (483, 583710), (630, 447511), (690, 408597), (805, 350226), (966, 291855), (1035, 272398), (1449, 194570), (1610, 175113), (2070, 136199), (2415, 116742), (2898, 97285), (4830, 58371), (7245, 38914), (14490, 19457)]