208691340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1871}}^1$

素因数の和:1920

約数の個数: 144

約数和(自身を含む): 690633216

約数和(自身を除く): 481941876

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 169, 195, 220, 260, 286, 330, 338, 390, 429, 507, 572, 660, 676, 715, 780, 845, 858, 1014, 1430, 1690, 1716, 1859, 1871, 2028, 2145, 2535, 2860, 3380, 3718, 3742, 4290, 5070, 5577, 5613, 7436, 7484, 8580, 9295, 9355, 10140, 11154, 11226, 18590, 18710, 20581, 22308, 22452, 24323, 27885, 28065, 37180, 37420, 41162, 48646, 55770, 56130, 61743, 72969, 82324, 97292, 102905, 111540, 112260, 121615, 123486, 145938, 205810, 243230, 246972, 267553, 291876, 308715, 316199, 364845, 411620, 486460, 535106, 617430, 632398, 729690, 802659, 948597, 1070212, 1234860, 1264796, 1337765, 1459380, 1580995, 1605318, 1897194, 2675530, 3161990, 3210636, 3478189, 3794388, 4013295, 4742985, 5351060, 6323980, 6956378, 8026590, 9485970, 10434567, 13912756, 16053180, 17390945, 18971940, 20869134, 34781890, 41738268, 52172835, 69563780, 104345670, 208691340]

約数ペア:

[(1, 208691340), (2, 104345670), (3, 69563780), (4, 52172835), (5, 41738268), (6, 34781890), (10, 20869134), (11, 18971940), (12, 17390945), (13, 16053180), (15, 13912756), (20, 10434567), (22, 9485970), (26, 8026590), (30, 6956378), (33, 6323980), (39, 5351060), (44, 4742985), (52, 4013295), (55, 3794388), (60, 3478189), (65, 3210636), (66, 3161990), (78, 2675530), (110, 1897194), (130, 1605318), (132, 1580995), (143, 1459380), (156, 1337765), (165, 1264796), (169, 1234860), (195, 1070212), (220, 948597), (260, 802659), (286, 729690), (330, 632398), (338, 617430), (390, 535106), (429, 486460), (507, 411620), (572, 364845), (660, 316199), (676, 308715), (715, 291876), (780, 267553), (845, 246972), (858, 243230), (1014, 205810), (1430, 145938), (1690, 123486), (1716, 121615), (1859, 112260), (1871, 111540), (2028, 102905), (2145, 97292), (2535, 82324), (2860, 72969), (3380, 61743), (3718, 56130), (3742, 55770), (4290, 48646), (5070, 41162), (5577, 37420), (5613, 37180), (7436, 28065), (7484, 27885), (8580, 24323), (9295, 22452), (9355, 22308), (10140, 20581), (11154, 18710), (11226, 18590)]